New settings screen

[matthewwong525]

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

• too many things in settings cluttered and hard to use bad UI

Describe the solution you'd like

• new settings screen with better UI
• Here is what it might look like: https://dribbble.com/shots/21536239-Material-3-Settings-Screen
• it'll be for mobile

[matthewwong525]

also, probably change wiredash to mailto: link in Fleeting Notes settings