Minimize to system tray on OSes that support it.

[LinkofHyrule89]

I'm just making this as another feature request. There's another PWA API issue you can star and track to help to add this in later.

Window Placement API: minimize and maximize windows to/from tray https://crbug.com/1097066

[SakiiCode]

There is a better chromium issue for this: https://crbug.com/1429840