feat(user-signup): [next-ts-middle-out] add signup endpoint

Author: nuria-fl

exercises/user_signup/solutions/codely_next-typescript-middle-out/src/pages/api/signup.ts

@@ -0,0 +1,15 @@
+import { NextApiRequest, NextApiResponse } from "next/types";
+
+export default async (request: NextApiRequest, httpResponse: NextApiResponse): Promise<void> => {
+  if (request.method !== "POST") {
+    httpResponse.status(404).end();
+
+    return;
+  };
+
+  if (request.body.name.length < 2) {
+    httpResponse.status(403).end();
+  }
+  
+  httpResponse.status(200).end();
+}