Fullscreen for multiple monitors

[Xyndra]

Is your feature request related to a problem? Please describe.

No

Describe the solution you'd like

Add support for using multiple monitors for fullscreen(and make it optional if the things that don't fit get squashed or hidden)

Describe alternatives you've considered

None

Would you want to assign yourself to implement this feature?

• Yes
• No
  (Skill issue)

Additional context

There are many people who have a split monitor for working but if they're, for example, playing games, they would either only have half of the screen or spend what feels like 2 hours in the settings