feat: start recode a frontend to react and tailwind

frontend/src/App.tsx

@@ -0,0 +1,18 @@
+import "./App.css";
+import Navigation from "./components/Navigation.tsx";
+import Footer from "./components/Footer.tsx";
+import Home from "./pages/Home.tsx";
+
+function App() {
+  return (
+    <div className="min-h-screen flex flex-col">
+      <Navigation />
+      <main className="flex-grow">
+        <Home />
+      </main>
+      <Footer />
+    </div>
+  );
+}
+
+export default App;