[Feature Request] Tutorial

[Domi04151309]

Describe the solution you'd like

A simple tutorial that explains the app in general because I was a little bit confused as to what is where when I first used the app.

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I'm posting this as an issue for improvement suggestions and to see if I missed something important.

[lm41]

Is there any progress on this issue? The PR wasn't changed since Sep 1, 2020

[SapuSeven]

I never really got around to work on this... I think I'll include this in the Material 3 update (#290), shouldn't be much work

[Lauritz-Tieste]

Could you perhaps make the button for the main action filled so that the action can be seen more quickly?