Added documentation explaining that clangd requires
`compile_commands.json` for proper functionality in both C and C++
projects. Includes instructions for generating the file using CMake.
This is related to
https://github.com/zed-industries/zed/discussions/6480
Release Notes:
- N/A
---------
Co-authored-by: Peter Tripp <peter@zed.dev>
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)).