Exclude generated files in vscode (#17183)

.vscode/settings.example.json

@@ -8,8 +8,9 @@
     "source.fixAll.eslint": "explicit",
   },
   "prettier.requireConfig": true,
-  "eslint.experimental.useFlatConfig": true,
   "files.exclude": {
     "dist*": true,
+    "website/.docusaurus": true,
+    "website/build": true,
   },
 }