perf: model data code

src/pages/_error.tsx

@@ -0,0 +1,15 @@
+function Error({ statusCode }: { statusCode: number }) {
+  return (
+    <p>
+      {statusCode ? `An error ${statusCode} occurred on server` : 'An error occurred on client'}
+    </p>
+  );
+}
+
+Error.getInitialProps = ({ res, err }: { res: any; err: any }) => {
+  const statusCode = res ? res.statusCode : err ? err.statusCode : 404;
+  console.log(err);
+  return { statusCode };
+};
+
+export default Error;