sway: add --locked flag for lid bindswitches

bin/sway-lid-watcher.sh

@@ -0,0 +1,9 @@
+#! /bin/bash
+
+output="eDP-1"
+
+if grep -q open /proc/acpi/button/lid/LID/state; then
+	swaymsg output $output enable
+else
+	swaymsg output $output disable
+fi