feat: protect api routes and fetch user data from /api/profile

app/profile/page.tsx

@@ -0,0 +1,23 @@
+'use client';
+
+import { withPageAuthRequired } from '@auth0/nextjs-auth0/client';
+import { useEffect, useState } from 'react';
+
+export default withPageAuthRequired(function Profile() {
+  const [user, setUser] = useState();
+
+  useEffect(() => {
+    (async () => {
+      const res = await fetch(`${window.location.origin}/api/profile`);
+      setUser(await res.json());
+    })();
+  }, []);
+
+  return (
+    <main>
+      <h1>Profile (fetched from API)</h1>
+      <h3>User</h3>
+      <pre data-testid='module'>{JSON.stringify(user, null, 2)}</pre>
+    </main>
+  );
+});