Celestial.y

I've added subcommand `virtmon` so it's now super easy to test multi-monitors. Just run ``` ./setup virtmon ``` And follow the prompt. Also run ``` ./setup virtmon -h ``` to...

Closing as outdated.

See https://github.com/end-4/dots-hyprland/discussions/1088 if you need hint to dig in futher. Closing.