Extract lua language support into an extension (#10437)

Release Notes:

- Extracted lua language support into an extension, and improved Lua
highlighting and completion label styling.

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Co-authored-by: Marshall <marshall@zed.dev>
176f440158Max Brunsfeld committed on 4/11/2024, 6:32:10 PM· committed by GitHubparentc6028f6
22 files changedLine totals unavailable