Restructure with Turborepo

apps/frontend/src/main.jsx

@@ -0,0 +1,19 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App';
+import './index.css';
+import { initNativeShell } from './utils/native';
+import { initFaro } from './utils/faro';
+
+// Initialize Grafana Faro (browser RUM) before rendering.
+// No-op if VITE_FARO_ENDPOINT is not configured.
+initFaro();
+
+ReactDOM.createRoot(document.getElementById('root')).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);
+
+initNativeShell();
+