Add Tinted button style placeholder and document ButtonLike (#3476)

- Adds a placeholder `ButtonStyle::Tinted`.
  - Note: Using this now will just give you a block of `gpui::red()`
- Documents ButtonLike and ButtonStyle to hopefully help make choosing a
button style easier.

Release Notes:

- N/A
85d72f63c1Nate Butler committed on 12/1/2023, 5:18:35 PM· committed by GitHubparent0d33f01
1 file changedLine totals unavailable