Add tailwind to frontend

frontend/src/layouts/Layout.astro

@@ -1,4 +1,6 @@
 ---
+import '../styles/global.css';
+
 interface Props {
 	title: string;
 }

frontend/src/pages/index.astro

@@ -61,6 +61,12 @@ import Card from '../components/Card.astro';
 			/>
 		</ul>
 	</main>
+
+	<div class="min-h-screen bg-gray-100 flex items-center justify-center">
+		<h1 class="text-4xl font-bold text-blue-600 hover:text-blue-800">
+		  Hello Tailwind + Astro!
+		</h1>
+	  </div>
 </Layout>
 
 <style>

frontend/src/styles/global.css

@@ -0,0 +1,3 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;