gleam: Extract to external repository (#19072)

This PR transfers the Gleam extension over to the @gleam-lang
organization:

https://github.com/gleam-lang/zed-gleam

Release Notes:

- N/A

Marshall Bowers committed 1y ago

d976c5f1b644a9e27d8612ff566dc036b3262828

Parent: 79ed217

Committed by GitHub <noreply@github.com> on 10/11/2024, 2:05:46 PM