Add global hotkey support for mangowm

mangowm isn't included in global hotkey support

generate a bind configuration similar to how hyprland is handled in the updated global hotkey support

mangowm global hotkey documentation: https://mangowm.github.io/docs/window-management/rules#global--special-windows mentioned in fluxer hq: https://web.fluxer.app/channels/1427764882469228556/1427764882469228559/1560072749706117120