Add src/App.tsx

src/App.tsx

@@ -0,0 +1,14 @@
+import { BrowserRouter as Router, Routes, Route } from 'react-router-dom';
+import LandingPage from '@/pages/HomePage';
+import AboutPage from '@/pages/AboutPage';
+
+export default function App() {
+  return (
+    <Router>
+      <Routes>
+        <Route path="/" element={<LandingPage />} />
+        <Route path="/about" element={<AboutPage />} />
+      </Routes>
+    </Router>
+  );
+}