Overview of Missing Type Classes

[magnus-madsen]

• [x] https://github.com/flix/flix/issues/1681
• [x] https://github.com/flix/flix/issues/1922
• [x] https://github.com/flix/flix/issues/1678
• [x] https://github.com/flix/flix/issues/1927
• [x] #3067
• [x] #3068
• [x] https://github.com/flix/flix/issues/1924

[magnus-madsen]

@jaschdoc I suggest to defer the groups until last. That means Reducible would probably be next.

[magnus-madsen]

@jaschdoc You are still on this, but right now the focus is all the region stuff :)

[jaschdoc]

I think we can close this now