Initial commit

app/[locale]/[...rest]/page.tsx

@@ -0,0 +1,8 @@
+import { notFound } from "next/navigation";
+
+// Catch-all for unknown paths under a locale (e.g. /en/asdf) so they render
+// the styled not-found page inside the locale layout instead of the bare
+// default 404.
+export default function CatchAllPage() {
+  notFound();
+}