assistant: Show a warning indicator when the user needs to run `cargo doc` (#14262)
This PR updates the `/docs` slash command to show a warning to the user
if a crate's docs cannot be indexed due to the target directory not
containing docs:
<img width="782" alt="Screenshot 2024-07-11 at 5 11 46 PM"
src="https://github.com/user-attachments/assets/2f54f7a1-97f4-4d2d-b51f-57ba31e50a2f">
Release Notes:
- N/A
906688f012Marshall Bowers committed on 7/11/2024, 9:37:31 PM· committed by GitHubparentc18e9ae