assistant: Show an indicator when a crate is being indexed (#13174)
This PR adds an indicator when a crate is being indexed as part of the
`/rustdoc` command invocation.
https://github.com/zed-industries/zed/assets/1486634/0dd4b663-658c-4be5-a342-cfbd7a938fca
Release Notes:
- N/A
59104a08fdMarshall Bowers committed on 6/17/2024, 9:39:38 PM· committed by GitHubparent7aa28c9