feat: add infra app for infrastructure documentation

apps/infra/src/main.tsx

@@ -0,0 +1,14 @@
+import { createRoot } from 'react-dom/client';
+import { StrictMode } from 'react';
+import App from './app/App';
+import './index.css';
+
+const rootElement = document.getElementById('root');
+
+if (!rootElement) throw new Error('Failed to find the root element');
+
+createRoot(rootElement).render(
+  <StrictMode>
+    <App />
+  </StrictMode>
+);