This PR updates the Gleam docs provider to include the package name as a
suffix for docs entries:
<img width="639" alt="Screenshot 2024-07-03 at 5 48 28 PM"
src="https://github.com/zed-industries/zed/assets/1486634/0d98ffba-fbab-4511-ae16-e1e742d56f93">
This will help disambiguate modules with the same names from different
packages, as well as help out with providing better completions when the
package name and top-level module name do not match.
Release Notes:
- N/A
6d10b16f79