Make documentation available within the app, offline

[jidanni]

All the documentation should also be available within the app itself too. Because you never know when somebody might be offline.

I think that would be pretty hard to implement UI wise, not to mention one would need to translate them?

Originally posted by @Poolitzer in TeamNewPipe/website#243 (comment)

[Poolitzer]

Documentation is https://teamnewpipe.github.io/documentation/

[jidanni]

Please transfer this there, I can't.

[TobiGr]

https://teamnewpipe.github.io/documentation/ is a documentation for devs. Not for users.

What you want, sounds like #859. I am currently working on a better onboarding experience. (I hope to be able to open the PR this month)