Start screensaver automatically (#453)

* No need to kill any more since any key will quit

* Command to refresh hypridle

* Start screensaver automatically after a minute

* Add migration

migrations/1754136581.sh

@@ -0,0 +1,5 @@
+echo "Start screensaver automatically after 1 minute"
+
+if ! grep -q "omarchy-launch-screensaver" ~/.config/hypr/hypridle.conf; then
+  omarchy-refresh-hypridle
+fi