docs: Improve debug adapter documentation (#40441)

docs. docs. docs.

Release Notes:

- N/A

docs/src/languages/javascript.md

@@ -175,7 +175,7 @@ You can configure ESLint's `workingDirectory` setting:
 
 ## Debugging
 
-Zed supports debugging JavaScript code out of the box.
+Zed supports debugging JavaScript code out of the box with `vscode-js-debug`.
 The following can be debugged without writing additional configuration:
 
 - Tasks from `package.json`
@@ -191,7 +191,13 @@ As for all languages, configurations from `.vscode/launch.json` are also availab
 
 If your use-case isn't covered by any of these, you can take full control by adding debug configurations to `.zed/debug.json`. See below for example configurations.
 
-### Debug the current file
+### Configuring JavaScript debug tasks
+
+JavaScript debugging is more complicated than other languages because there are two different environments: Node.js and the browser. `vscode-js-debug` exposes a `type` field, that you can use to specify the environment, either `node` or `chrome`.
+
+- [vscode-js-debug configuration documentation](https://github.com/microsoft/vscode-js-debug/blob/main/OPTIONS.md)
+
+### Debug the current file with Node
 
 ```json [debug]
 [
@@ -206,8 +212,6 @@ If your use-case isn't covered by any of these, you can take full control by add
 ]
 ```
 
-This implicitly runs the current file using `node`.
-
 ### Launch a web app in Chrome
 
 ```json [debug]