docs: add script to catch bad redirects (#12361)

* docs: add script to catch bad redirects

* add missing dependency

www/yarn.lock

@@ -6252,6 +6252,7 @@ __metadata:
     "@types/react-dom": "npm:types-react@rc"
     algoliasearch: 4
     autoprefixer: 10.4.14
+    build-scripts: "*"
     clsx: ^2.0.0
     docs-ui: "*"
     docs-utils: "*"
@@ -6703,6 +6704,7 @@ __metadata:
     "@types/node": ^20.11.20
     docs-utils: "*"
     fdir: ^6.4.3
+    next: 15.3.1
     pluralize: ^8.0.0
     rimraf: ^5.0.5
     slugify: ^1.6.6