Update monitor setup and switching

.config/polybar/launch.sh

@@ -7,4 +7,14 @@ killall -q polybar
 while pgrep -u $UID -x polybar >/dev/null; do sleep 1; done
 
 # Launch polybar
-polybar default &
+
+intern=eDP-1
+extern=HDMI-1
+
+if xrandr | grep "$extern disconnected"; then
+    m=$intern
+else
+    m=$extern
+fi
+
+MONITOR=$m polybar default &