Add emmet-language-server support (#9910)

Note that I want to move this into an extension before merging.

Fixes: #4992 

Release Notes:

- Added Emmet snippets support
0ddec2753aPiotr Osiewicz committed on 4/3/2024, 5:54:53 PM· committed by GitHubparentccb2d02
7 files changedLine totals unavailable