This PR restores some changes that were lost during the docs move from
bublic to brivate.
This is part 1 of two PRs. The second one is
https://github.com/tldraw/brivate/pull/2124
### Change Type
- [x] `documentation` — Changes to the documentation only[^2]
[^1]: publishes a `patch` release, for devDependencies use `internal`
[^2]: will not publish a new version
### Release Notes
- None (Docs internals)
