⚡ Upgrade design & moved backend here & login and settings work with api

app/not-found.tsx

@@ -0,0 +1,16 @@
+'use client';
+
+import { useEffect } from 'react';
+import { useRouter } from 'next/navigation';
+
+const Custom404 = () => {
+	const router = useRouter();
+
+	useEffect(() => {
+		router.replace('/');
+	});
+
+	return <></>;
+};
+
+export default Custom404;