add waybar component for microphone state

bin/mic-state.sh

@@ -0,0 +1,8 @@
+#! /bin/bash
+
+state=$(pactl get-source-mute $(pactl get-default-source) | awk '{printf $2}')
+
+result='{"text": "", "alt": "'
+result+="$state\"}"
+
+echo "$result"