Use power button to open omarchy-menu system (#769)

* Use power button to open omarchy-menu system

* Added migration script

* setsid so it doesn't exit with the terminal

* Spacing

---------

Co-authored-by: David Heinemeier Hansson <david@hey.com>

install/config/ignore-power-button.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# Disable shutting system down on power button to bind it to power menu afterwards
+sudo sed -i 's/.*HandlePowerKey=.*/HandlePowerKey=ignore/' /etc/systemd/logind.conf
+