docs: Validate JSON snippets (settings, keymap, tasks, etc) (#40043)

Closes #ISSUE

Release Notes:

- N/A *or* Added/Fixed/Improved ...

docs/src/development/windows.md

@@ -18,7 +18,7 @@ Clone down the [Zed repository](https://github.com/zed-industries/zed).
 
 If you can't compile Zed, make sure that you have at least the following components installed in case of a Visual Studio installation:
 
-```json
+```json [settings]
 {
   "version": "1.0",
   "components": [
@@ -36,7 +36,7 @@ If you can't compile Zed, make sure that you have at least the following compone
 
 Or if in case of just Build Tools, the following components:
 
-```json
+```json [settings]
 {
   "version": "1.0",
   "components": [