Initial commit: bootstrap monorepo NetMapper

frontend/src/main.tsx

@@ -0,0 +1,9 @@
+import React from 'react'
+import ReactDOM from 'react-dom/client'
+import { App } from './pages/App'
+
+ReactDOM.createRoot(document.getElementById('root')!).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+)

frontend/src/pages/App.tsx

@@ -0,0 +1,14 @@
+export function App() {
+  return (
+    <main style={{ fontFamily: 'sans-serif', padding: '2rem' }}>
+      <h1>NetMapper</h1>
+      <p>Bootstrap iniziale della UI.</p>
+      <ul>
+        <li>Topology view</li>
+        <li>Inventory view</li>
+        <li>IP registry</li>
+        <li>Discovery jobs</li>
+      </ul>
+    </main>
+  )
+}