This PR extends the PHP extension with
[Phpactor](https://github.com/phpactor/phpactor) support.
Phpactor seems to provide a better feature set out-of-the-box for free,
so it has been made the default PHP language server.
Thank you to @xtrasmal for informing us of Phpactor's existence!
Release Notes:
- N/A
This pull request implements the following documentation changes:
- [x] Copy existing language settings docs from old docs repo
- [x] Add new pages for Zig, Haskell, Gleam, Deno and PureScript
- [x] Add `rust-analyzer` target directory section to Rust language page
Release Notes:
- Added initial language settings documentation
([#4264](https://github.com/zed-industries/zed/issues/4264)).
