Implement basic support for VS Code debug configurations (#29160)

- [x] Basic implementation
- [x] Match common VSC debug extension names to Zed debug adapters
- [ ] ~~`preLaunchTask` support~~ descoped for this PR

Release Notes:

- N/A

crates/paths/src/paths.rs

@@ -401,7 +401,7 @@ pub fn task_file_name() -> &'static str {
     "tasks.json"
 }
 
-/// Returns the relative path to a `launch.json` file within a project.
+/// Returns the relative path to a `debug.json` file within a project.
 pub fn local_debug_file_relative_path() -> &'static Path {
     Path::new(".zed/debug.json")
 }