Implement car reservation schedule management system

Co-authored-by: h <57948770+h@users.noreply.github.com>
Agent-Logs-Url: https://github.com/h/CarReservation/sessions/1d8c6b05-0e8d-4484-a2d8-8d427dfad9cb

frontend/src/main.jsx

@@ -0,0 +1,10 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App.jsx';
+import './index.css';
+
+ReactDOM.createRoot(document.getElementById('root')).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);