use arrows with emoji representation

We had...

  ◀ Go back to main README
  ▲ Go back to top

... and switch to...

  ⬅️ Go back to main README
  ⬆️ Go back to top

50 files changed, 148 insertions, 148 deletions

diff --git a/CONTRIBUTIONS.md b/CONTRIBUTIONS.md
index 51a2d49..e89f8f5 100644
--- a/CONTRIBUTIONS.md
+++ b/CONTRIBUTIONS.md
@@ -1,7 +1,7 @@
 Past Contributions
 ==================
 
-[◀ Go back to main README](README.md)
+[⬅️ Go back to main README](README.md)
 
 Thanks a lot for your contributions! ❤️
 
@@ -41,5 +41,5 @@ Add yourself to the list,
 * Zac Kornilakis
 
 ---
-[◀ Go back to main README](README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](README.md)  
+[⬆️ Go back to top](#top)
diff --git a/INITIAL-COMMANDS.md b/INITIAL-COMMANDS.md
index e8be3e1..2300248 100644
--- a/INITIAL-COMMANDS.md
+++ b/INITIAL-COMMANDS.md
@@ -1,7 +1,7 @@
 Initial commands
 ================
 
-[◀ Go back to main README](README.md)
+[⬅️ Go back to main README](README.md)
 
 > ⚠️ **Warning**: These command are inteneded for initial setup. If you are
 > not aware of the procedure please follow
@@ -33,5 +33,5 @@ Optional to update the scripts automatically:
     /system/scheduler/add name="ScriptInstallUpdate" start-time=startup interval=1d on-event=":global ScriptInstallUpdate; \$ScriptInstallUpdate;";
 
 ---
-[◀ Go back to main README](README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](README.md)  
+[⬆️ Go back to top](#top)
diff --git a/README.md b/README.md
index fd74b3b..a5a2894 100644
--- a/README.md
+++ b/README.md
@@ -327,4 +327,4 @@ Mirror:
 [GitLab.com](https://gitlab.com/eworm-de/routeros-scripts#routeros-scripts)
 
 ---
-[▲ Go back to top](#top)
+[⬆️ Go back to top](#top)
diff --git a/doc/accesslist-duplicates.md b/doc/accesslist-duplicates.md
index 50720b1..c59aebf 100644
--- a/doc/accesslist-duplicates.md
+++ b/doc/accesslist-duplicates.md
@@ -1,7 +1,7 @@
 Find and remove access list duplicates
 ======================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -41,5 +41,5 @@ See also
 * [Collect MAC addresses in wireless access list](collect-wireless-mac.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/backup-cloud.md b/doc/backup-cloud.md
index 26f7db7..511fad3 100644
--- a/doc/backup-cloud.md
+++ b/doc/backup-cloud.md
@@ -1,7 +1,7 @@
 Upload backup to Mikrotik cloud
 ===============================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -60,5 +60,5 @@ See also
 * [Upload backup to server](backup-upload.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/backup-email.md b/doc/backup-email.md
index ab2b9b5..c7de3e7 100644
--- a/doc/backup-email.md
+++ b/doc/backup-email.md
@@ -1,7 +1,7 @@
 Send backup via e-mail
 ======================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -52,5 +52,5 @@ See also
 * [Upload backup to server](backup-upload.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/backup-partition.md b/doc/backup-partition.md
index b502330..e95422c 100644
--- a/doc/backup-partition.md
+++ b/doc/backup-partition.md
@@ -1,7 +1,7 @@
 Save configuration to fallback partition
 ========================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -41,5 +41,5 @@ See also
 * [Upload backup to server](backup-upload.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/backup-upload.md b/doc/backup-upload.md
index ab07862..3e4c7e8 100644
--- a/doc/backup-upload.md
+++ b/doc/backup-upload.md
@@ -1,7 +1,7 @@
 Upload backup to server
 =======================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -75,5 +75,5 @@ See also
 * [Save configuration to fallback partition](doc/backup-partition.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/capsman-download-packages.md b/doc/capsman-download-packages.md
index 0fdd6cb..58f84e8 100644
--- a/doc/capsman-download-packages.md
+++ b/doc/capsman-download-packages.md
@@ -1,7 +1,7 @@
 Download packages for CAP upgrade from CAPsMAN
 =============================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -49,5 +49,5 @@ See also
 * [Run rolling CAP upgrades from CAPsMAN](capsman-rolling-upgrade.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/capsman-rolling-upgrade.md b/doc/capsman-rolling-upgrade.md
index 94a2a79..d146adf 100644
--- a/doc/capsman-rolling-upgrade.md
+++ b/doc/capsman-rolling-upgrade.md
@@ -1,7 +1,7 @@
 Run rolling CAP upgrades from CAPsMAN
 =====================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -41,5 +41,5 @@ See also
 * [Download packages for CAP upgrade from CAPsMAN](capsman-download-packages.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/certificate-renew-issued.md b/doc/certificate-renew-issued.md
index d8201a7..72f7fc5 100644
--- a/doc/certificate-renew-issued.md
+++ b/doc/certificate-renew-issued.md
@@ -1,7 +1,7 @@
 Renew locally issued certificates
 =================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -46,5 +46,5 @@ See also
 * [Renew certificates and notify on expiration](check-certificates.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/check-certificates.md b/doc/check-certificates.md
index e8c295a..6ce2ec7 100644
--- a/doc/check-certificates.md
+++ b/doc/check-certificates.md
@@ -1,7 +1,7 @@
 Renew certificates and notify on expiration
 ===========================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -61,5 +61,5 @@ See also
 * [Renew locally issued certificates](certificate-renew-issued.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/check-health.md b/doc/check-health.md
index d84693a..07151ff 100644
--- a/doc/check-health.md
+++ b/doc/check-health.md
@@ -1,7 +1,7 @@
 Notify about health state
 =========================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -62,5 +62,5 @@ Also notification settings are required for
 [telegram](mod/notification-telegram.md).
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/check-lte-firmware-upgrade.md b/doc/check-lte-firmware-upgrade.md
index 8443ea0..a81ca86 100644
--- a/doc/check-lte-firmware-upgrade.md
+++ b/doc/check-lte-firmware-upgrade.md
@@ -1,7 +1,7 @@
 Notify on LTE firmware upgrade
 ==============================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -47,5 +47,5 @@ See also
 * [Install LTE firmware upgrade](unattended-lte-firmware-upgrade.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/check-routeros-update.md b/doc/check-routeros-update.md
index 735fc5a..696abe6 100644
--- a/doc/check-routeros-update.md
+++ b/doc/check-routeros-update.md
@@ -1,7 +1,7 @@
 Notify on RouterOS update
 =========================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -79,5 +79,5 @@ See also
 * [Manage system update](packages-update.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/collect-wireless-mac.md b/doc/collect-wireless-mac.md
index f5c8a5c..dd3743f 100644
--- a/doc/collect-wireless-mac.md
+++ b/doc/collect-wireless-mac.md
@@ -1,7 +1,7 @@
 Collect MAC addresses in wireless access list
 =============================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -60,5 +60,5 @@ See also
 * [Run other scripts on DHCP lease](lease-script.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/daily-psk.md b/doc/daily-psk.md
index 67f0212..77928cd 100644
--- a/doc/daily-psk.md
+++ b/doc/daily-psk.md
@@ -1,7 +1,7 @@
 Use wireless network with daily psk
 ===================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -57,5 +57,5 @@ Also notification settings are required for
 [telegram](mod/notification-telegram.md).
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/dhcp-lease-comment.md b/doc/dhcp-lease-comment.md
index bb9222e..4add0b8 100644
--- a/doc/dhcp-lease-comment.md
+++ b/doc/dhcp-lease-comment.md
@@ -1,7 +1,7 @@
 Comment DHCP leases with info from access list
 ==============================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -48,5 +48,5 @@ See also
 * [Run other scripts on DHCP lease](lease-script.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/dhcp-to-dns.md b/doc/dhcp-to-dns.md
index bde7f12..531a75b 100644
--- a/doc/dhcp-to-dns.md
+++ b/doc/dhcp-to-dns.md
@@ -1,7 +1,7 @@
 Create DNS records for DHCP leases
 ==================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -48,5 +48,5 @@ See also
 * [Run other scripts on DHCP lease](lease-script.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/firmware-upgrade-reboot.md b/doc/firmware-upgrade-reboot.md
index 0215ce9..8bf4d19 100644
--- a/doc/firmware-upgrade-reboot.md
+++ b/doc/firmware-upgrade-reboot.md
@@ -1,7 +1,7 @@
 Automatically upgrade firmware and reboot
 =========================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -32,5 +32,5 @@ See also
 * [Manage system update](packages-update.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/global-wait.md b/doc/global-wait.md
index ac3e5cc..39921db 100644
--- a/doc/global-wait.md
+++ b/doc/global-wait.md
@@ -1,7 +1,7 @@
 Wait for global functions and modules
 =====================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -36,5 +36,5 @@ See also
 * [Manage VLANs on bridge ports](mod/bridge-port-vlan.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/gps-track.md b/doc/gps-track.md
index c7d28f6..f5d9901 100644
--- a/doc/gps-track.md
+++ b/doc/gps-track.md
@@ -1,7 +1,7 @@
 Send GPS position to server
 ===========================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -36,5 +36,5 @@ The configured coordinate format (see `/system/gps`) defines the format
 sent to the server.
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/hotspot-to-wpa.md b/doc/hotspot-to-wpa.md
index 211d4fb..0abe18b 100644
--- a/doc/hotspot-to-wpa.md
+++ b/doc/hotspot-to-wpa.md
@@ -1,7 +1,7 @@
 Use WPA2 network with hotspot credentials
 =========================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -86,5 +86,5 @@ See also
 * [Run other scripts on DHCP lease](lease-script.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/ip-addr-bridge.md b/doc/ip-addr-bridge.md
index f0b593e..a759829 100644
--- a/doc/ip-addr-bridge.md
+++ b/doc/ip-addr-bridge.md
@@ -1,7 +1,7 @@
 Manage IP addresses with bridge status
 ======================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 Description
 -----------
@@ -28,5 +28,5 @@ Note that IP addresses on bridges without a single port (acting as loopback
 interface) are ignored.
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/ipsec-to-dns.md b/doc/ipsec-to-dns.md
index 87ad21a..5825def 100644
--- a/doc/ipsec-to-dns.md
+++ b/doc/ipsec-to-dns.md
@@ -1,7 +1,7 @@
 Create DNS records for IPSec peers
 ==================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -42,5 +42,5 @@ See also
 * [Create DNS records for DHCP leases](dns-to-dhcp.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/ipv6-update.md b/doc/ipv6-update.md
index 7c5a943..49804f4 100644
--- a/doc/ipv6-update.md
+++ b/doc/ipv6-update.md
@@ -1,7 +1,7 @@
 Update configuration on IPv6 prefix change
 ==========================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -64,5 +64,5 @@ See also
 * [Run scripts on ppp connection](ppp-on-up.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/lease-script.md b/doc/lease-script.md
index a435d43..55928fc 100644
--- a/doc/lease-script.md
+++ b/doc/lease-script.md
@@ -1,7 +1,7 @@
 Run other scripts on DHCP lease
 ===============================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -43,5 +43,5 @@ See also
 * [Use WPA2 network with hotspot credentials](hotspot-to-wpa.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/leds-mode.md b/doc/leds-mode.md
index 65f9f01..5710d85 100644
--- a/doc/leds-mode.md
+++ b/doc/leds-mode.md
@@ -1,7 +1,7 @@
 Manage LEDs dark mode
 =====================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 Description
 -----------
@@ -46,5 +46,5 @@ See also
 * [Mode button with multiple presses](mode-button.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/log-forward.md b/doc/log-forward.md
index 649298a..d3a1908 100644
--- a/doc/log-forward.md
+++ b/doc/log-forward.md
@@ -1,7 +1,7 @@
 Forward log messages via notification
 =====================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -52,5 +52,5 @@ Also notification settings are required for
 [telegram](mod/notification-telegram.md).
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/bridge-port-to.md b/doc/mod/bridge-port-to.md
index f86b21d..a956de4 100644
--- a/doc/mod/bridge-port-to.md
+++ b/doc/mod/bridge-port-to.md
@@ -1,7 +1,7 @@
 Manage ports in bridge
 ======================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -77,5 +77,5 @@ See also
 * [Manage VLANs on bridge ports](bridge-port-vlan.md)
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/bridge-port-vlan.md b/doc/mod/bridge-port-vlan.md
index 0e6c28f..068f050 100644
--- a/doc/mod/bridge-port-vlan.md
+++ b/doc/mod/bridge-port-vlan.md
@@ -1,7 +1,7 @@
 Manage VLANs on bridge ports
 ============================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -81,5 +81,5 @@ See also
 * [Manage ports in bridge](bridge-port-to.md)
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/inspectvar.md b/doc/mod/inspectvar.md
index 7782c8a..1cc49a2 100644
--- a/doc/mod/inspectvar.md
+++ b/doc/mod/inspectvar.md
@@ -1,7 +1,7 @@
 Inspect variables
 =================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -29,5 +29,5 @@ Call the function `$InspectVar` with a variable as parameter:
 ![InspectVar](inspectvar.d/inspectvar.avif)
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/ipcalc.md b/doc/mod/ipcalc.md
index a3e7fc8..f2f1140 100644
--- a/doc/mod/ipcalc.md
+++ b/doc/mod/ipcalc.md
@@ -1,7 +1,7 @@
 IP address calculation
 ======================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -49,5 +49,5 @@ the information in a named array.
 ![IPCalcReturn](ipcalc.d/ipcalcreturn.avif)
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/notification-email.md b/doc/mod/notification-email.md
index 144c48a..61798e6 100644
--- a/doc/mod/notification-email.md
+++ b/doc/mod/notification-email.md
@@ -1,7 +1,7 @@
 Send notifications via e-mail
 =============================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -61,5 +61,5 @@ See also
 * [Send notifications via Telegram](notification-telegram.md)
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/notification-matrix.md b/doc/mod/notification-matrix.md
index b1f520e..6bb04b6 100644
--- a/doc/mod/notification-matrix.md
+++ b/doc/mod/notification-matrix.md
@@ -1,7 +1,7 @@
 Send notifications via Matrix
 =============================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -107,5 +107,5 @@ See also
 * [Send notifications via Telegram](notification-telegram.md)
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/notification-telegram.md b/doc/mod/notification-telegram.md
index 2b1abe9..b55739a 100644
--- a/doc/mod/notification-telegram.md
+++ b/doc/mod/notification-telegram.md
@@ -1,7 +1,7 @@
 Send notifications via Telegram
 ===============================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -70,5 +70,5 @@ See also
 * [Send notifications via Matrix](notification-matrix.md)
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mod/scriptrunonce.md b/doc/mod/scriptrunonce.md
index 6efa1b7..5472bef 100644
--- a/doc/mod/scriptrunonce.md
+++ b/doc/mod/scriptrunonce.md
@@ -1,7 +1,7 @@
 Download script and run it once
 ===============================
 
-[◀ Go back to main README](../../README.md)
+[⬅️ Go back to main README](../../README.md)
 
 > ℹ️️ **Info**: This module can not be used on its own but requires the base
 > installation. See [main README](../../README.md) for details.
@@ -44,5 +44,5 @@ The function `$ScriptRunOnce` expects an URL (or name if
 Giving multiple scripts is possible, separated by comma.
 
 ---
-[◀ Go back to main README](../../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/mode-button.md b/doc/mode-button.md
index ef7754c..50b1722 100644
--- a/doc/mode-button.md
+++ b/doc/mode-button.md
@@ -1,7 +1,7 @@
 Mode button with multiple presses
 =================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -60,5 +60,5 @@ Usage and invocation
 Press the mode button. 😜
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/netwatch-dns.md b/doc/netwatch-dns.md
index 65d0488..a208d00 100644
--- a/doc/netwatch-dns.md
+++ b/doc/netwatch-dns.md
@@ -1,7 +1,7 @@
 Manage DNS and DoH servers from netwatch
 ========================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -74,5 +74,5 @@ See also
 * [Notify on host up and down](netwatch-notify.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/netwatch-notify.md b/doc/netwatch-notify.md
index b0214e4..5bbd657 100644
--- a/doc/netwatch-notify.md
+++ b/doc/netwatch-notify.md
@@ -1,7 +1,7 @@
 Notify on host up and down
 ==========================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -151,5 +151,5 @@ See also
 * [Manage DNS and DoH servers from netwatch](netwatch-dns.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/ospf-to-leds.md b/doc/ospf-to-leds.md
index 5ab5c75..ce7f9ff 100644
--- a/doc/ospf-to-leds.md
+++ b/doc/ospf-to-leds.md
@@ -1,7 +1,7 @@
 Visualize OSPF state via LEDs
 =============================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -33,5 +33,5 @@ instance `default` via LED `user-led` set this:
     /routing/ospf/instance/set default comment="ospf-to-leds, leds=user-led";
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/packages-update.md b/doc/packages-update.md
index 57f02d9..4604bae 100644
--- a/doc/packages-update.md
+++ b/doc/packages-update.md
@@ -1,7 +1,7 @@
 Manage system update
 ====================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -48,5 +48,5 @@ See also
 * [Automatically upgrade firmware and reboot](firmware-upgrade-reboot.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/ppp-on-up.md b/doc/ppp-on-up.md
index 7545c5e..d5d0ae5 100644
--- a/doc/ppp-on-up.md
+++ b/doc/ppp-on-up.md
@@ -1,7 +1,7 @@
 Run scripts on ppp connection
 =============================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -33,5 +33,5 @@ See also
 * [Update tunnelbroker configuration](update-tunnelbroker.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/sms-action.md b/doc/sms-action.md
index d2e3252..e72aa11 100644
--- a/doc/sms-action.md
+++ b/doc/sms-action.md
@@ -1,7 +1,7 @@
 Act on received SMS
 ===================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -48,5 +48,5 @@ See also
 * [Forward received SMS](sms-forward.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/sms-forward.md b/doc/sms-forward.md
index dc89d40..9dccaf3 100644
--- a/doc/sms-forward.md
+++ b/doc/sms-forward.md
@@ -1,7 +1,7 @@
 Forward received SMS
 ====================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -81,5 +81,5 @@ See also
 * [Act on received SMS](sms-action.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/ssh-keys-import.md b/doc/ssh-keys-import.md
index d83311f..2dd6c42 100644
--- a/doc/ssh-keys-import.md
+++ b/doc/ssh-keys-import.md
@@ -1,7 +1,7 @@
 Import SSH keys
 ===============
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 Description
 -----------
@@ -29,5 +29,5 @@ Starting with an `authorized_keys` file you can split it on a shell:
     grep -E '^ssh-rsa' authorized_keys | nl -nrz | while read num type key name; do echo $type $key $name > $num-$name.pub; done
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/super-mario-theme.md b/doc/super-mario-theme.md
index 8142cda..b3100e8 100644
--- a/doc/super-mario-theme.md
+++ b/doc/super-mario-theme.md
@@ -1,7 +1,7 @@
 Play Super Mario theme
 ======================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 Description
 -----------
@@ -27,5 +27,5 @@ Just run the script to play:
 For extra fun use it for dhcp lease script. :)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/unattended-lte-firmware-upgrade.md b/doc/unattended-lte-firmware-upgrade.md
index 63f2793..8bc9e71 100644
--- a/doc/unattended-lte-firmware-upgrade.md
+++ b/doc/unattended-lte-firmware-upgrade.md
@@ -1,7 +1,7 @@
 Install LTE firmware upgrade
 ============================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 Description
 -----------
@@ -42,5 +42,5 @@ See also
 * [Notify on LTE firmware upgrade](check-lte-firmware-upgrade.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/update-gre-address.md b/doc/update-gre-address.md
index 7e87743..5bf95bd 100644
--- a/doc/update-gre-address.md
+++ b/doc/update-gre-address.md
@@ -1,7 +1,7 @@
 Update GRE configuration with dynamic addresses
 ===============================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -37,5 +37,5 @@ certificate CN into the comment:
     /interface/gre/set comment="ikev2-client1" gre-client1;
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)
diff --git a/doc/update-tunnelbroker.md b/doc/update-tunnelbroker.md
index 3338e2b..4d6f1ba 100644
--- a/doc/update-tunnelbroker.md
+++ b/doc/update-tunnelbroker.md
@@ -1,7 +1,7 @@
 Update tunnelbroker configuration
 =================================
 
-[◀ Go back to main README](../README.md)
+[⬅️ Go back to main README](../README.md)
 
 > ℹ️ **Info**: This script can not be used on its own but requires the base
 > installation. See [main README](../README.md) for details.
@@ -39,5 +39,5 @@ See also
 * [Run scripts on ppp connection](ppp-on-up.md)
 
 ---
-[◀ Go back to main README](../README.md)  
-[▲ Go back to top](#top)
+[⬅️ Go back to main README](../README.md)  
+[⬆️ Go back to top](#top)