This PR adds `label_for_symbol` to the extension API.
As a motivating example, we implemented `label_for_symbol` for the
Haskell extension.
Release Notes:
- N/A
Co-authored-by: Max <max@zed.dev>
This PR adds the ability for extensions to implement
`label_for_completion` to customize completions coming back from the
language server.
We've used the Gleam extension as a motivating example, adding
`label_for_completion` support to it.
Release Notes:
- N/A
---------
Co-authored-by: Max <max@zed.dev>
Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>