✨feature: Scaffold project

src/components/Sidebar.astro

@@ -0,0 +1,22 @@
+---
+// Sidebar.astro
+import "../styles/global.css";
+---
+
+<aside class="w-64 bg-white border-r h-full p-4">
+  <h2 class="text-lg font-semibold mb-4">Prompt Types</h2>
+
+  <ul class="space-y-2">
+    <li>
+      <button class="w-full text-left px-3 py-2 rounded hover:bg-gray-100">
+        System
+      </button>
+    </li>
+
+    <li>
+      <button class="w-full text-left px-3 py-2 rounded hover:bg-gray-100">
+        Task
+      </button>
+    </li>
+  </ul>
+</aside>