create-n4-app/dist/template/authjs/credentials/route/(auth)/sign-in/page.jsx

Create Next.js app with the n4 stack

import React from "react";
const SignIn = () => {
    return (<main className="flex item-center justify-center min-h-screen">
      <h1>Sign In</h1>
    </main>);
};
export default SignIn;