refactor: rename site to frontend

frontend/src/App.tsx

@@ -0,0 +1,17 @@
+import { Navigate } from "react-router";
+import { useUserContext } from "./context/user-context";
+import { LogoutPage } from "./pages/logout-page";
+
+export const App = () => {
+  const queryString = window.location.search;
+  const params = new URLSearchParams(queryString);
+  const redirectUri = params.get("redirect_uri");
+
+  const { isLoggedIn } = useUserContext();
+
+  if (!isLoggedIn) {
+    return <Navigate to={`/login?redirect_uri=${redirectUri}`} />;
+  }
+
+  return <LogoutPage />;
+};