elm: Extract to zed-extensions/elm repository (#22637)

This PR extracts the Elm extension to the
[zed-extensions/elm](https://github.com/zed-extensions/elm) repository.

Release Notes:

- N/A

Marshall Bowers committed 1y ago

dd75f85ecf7bb17754607a894e4eb714aee686e0

Parent: b1a6e24

Committed by GitHub <noreply@github.com> on 1/4/2025, 12:00:45 AM