In the nextjs 13 appdir with i18n, the custom not-found page does not work and shows default 404 page, which is inside the [lng] folder on the same level as the layout, has anyone encountered such and issue and how to solve it? From here I took the ref https://locize.com/blog/next-13-app-dir-i18n/
tried to create not-found.jsx file in [lng] folder, but it still shows default 404 page