add vue support for ts_ls

[miaapancake]

In this PR I've added support for vue in the ts_ls language server.

Sanity Checking

• I have updated the changelog as per my changes
• I have tested, and self-reviewed my code
• My changes fit guidelines found in hacking nvf
• Style and consistency
  • I ran Alejandra to format my code (nix fmt)
  • My code conforms to the editorconfig configuration of the project
  • My changes are consistent with the rest of the codebase
• If new changes are particularly complex:
  • My code includes comments in particularly complex areas
  • I have added a section in the manual
  • (For breaking changes) I have included a migration guide
• Package(s) built:
  • .#nix (default package)
  • .#maximal
  • .#docs-html (manual, must build)
  • .#docs-linkcheck (optional, please build if adding links)
• Tested on platform(s)
  • x86_64-linux
  • aarch64-linux
  • x86_64-darwin
  • aarch64-darwin

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Debug Information

Triggered by: miaapancake

HEAD at: vue_language_server

Reruns: 1755

[NotAShelf]

A few notes regarding the correctness of the implementation and some formatting nits.

I'm not opposed to merging, but we should probably avoid polluting the closure for TS users while they haven't opted in to use Vue explicitly. The vue_ls server addition is fine, but I believe the plugin should not be added by default. I for one never use Vue anymore, but this would pull the LSP anyway and subject me to more rebuilds & cache hits for no reason.

You'll also want to update the v0.9 changelog (in docs/release-notes) with an entry.

[miaapancake]

I've implemented the changes you requested. My bad on the formatting, I forgot to use alejandra instead of nixfmt.
I opted to separate the vue language support into its own module. I took the existing svelte one as a base to work off of.

I'm pretty new to nix so bare with me if I make some silly mistakes or assumptions. ;^^