Add notification silencing indicator to waybar

default/waybar/indicators/notification-silencing.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+if makoctl mode | grep -q 'do-not-disturb'; then
+  echo '{"text": "󰂛", "tooltip": "Notifications silenced", "class": "active"}'
+else
+  echo '{"text": ""}'
+fi