OS keyboard shortcuts

[nitn3lav]

Describe the problem

On macOS, these keyboard shortcuts will work in almost every app, except Cinny:

Shortcut	Action
CMD + W	close window
CMD + ,	open settings

Describe the solution you'd like

Add the keyboard shortcuts listed above

Alternatives considered

No response

Additional context

related to cinnyapp/cinny#1123 cinnyapp/cinny#1015 cinnyapp/cinny#754 cinnyapp/cinny#219 cinnyapp/cinny#171