add : main arch desktop polybar config launch.sh

configs/polybar_g/MainArch/launch.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+# Terminate already running bar instances
+# If all your bars have ipc enabled, you can use 
+polybar-msg cmd quit
+# Otherwise you can use the nuclear option:
+# killall -q polybar
+
+# Launch bar on each monitor, tray on primary
+polybar --list-monitors | while IFS=$'\n' read line; do
+  monitor=$(echo $line | cut -d':' -f1)
+  primary=$(echo $line | cut -d' ' -f3)
+  MONITOR=$monitor polybar --reload "top${primary:+"-primary"}" &
+done