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

app/api/profile/route.ts

@@ -0,0 +1,11 @@
+import { NextResponse } from 'next/server';
+
+import { getSession, withApiAuthRequired } from '@auth0/nextjs-auth0';
+
+const GET = withApiAuthRequired(async () => {
+  const session = await getSession();
+
+  return NextResponse.json(session?.user);
+});
+
+export { GET };