預設路由的對應頁面元件

index.route

export default function Index() {
  return (
    <p id="zero-state">
      This is a demo for React Router.
      <br />
      Check out{" "}
      <a href="https://reactrouter.com/">
        the docs at reactrouter.com
      </a>
      .
    </p>
  );
}