polybar added for arch install

pop/polybar.pop/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 bar1 and bar2
+echo "---" | tee -a /tmp/polybar1.log
+polybar example 2>&1 | tee -a /tmp/polybar1.log & disown
+
+echo "Bar launched..."