feat: add backend

apps/web/src/index.tsx

@@ -0,0 +1,17 @@
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from '@pages/App';
+import { BrowserRouter } from 'react-router';
+
+const rootEl = document.getElementById('root');
+
+if (rootEl) {
+  const root = ReactDOM.createRoot(rootEl);
+  root.render(
+    <React.StrictMode>
+      <BrowserRouter>
+        <App />
+      </BrowserRouter>
+    </React.StrictMode>,
+  );
+}