Document more gpui (#4187)
Also add several `TODO!(docs)` comments to places that need more
feedback.
Release Notes:
- N/A
M
Mikayla Maki committed
a8990baaacec68d0a9fbd1ab848da7f533b3c6e7
Committed by GitHub <noreply@github.com>
on 1/21/2024, 11:10:04 PM
