feat(api): add a catch-all route

src/pages/api/[...error].ts

@@ -0,0 +1,7 @@
+import type { NextApiRequest, NextApiResponse } from 'next';
+
+type ResponseData = { status: false; message: string };
+
+export default async function handler(_: NextApiRequest, res: NextApiResponse<ResponseData>) {
+  res.status(400).json({ status: false, message: 'Not found' });
+}