added admin control panel

frontend/src/pages/admin/index.astro

@@ -0,0 +1,47 @@
+---
+import Layout from '../../layouts/Layout.astro';
+---
+
+<Layout title="Admin Dashboard">
+    <div class="glass p-12 mb-12" id="admin-content" style="display: none;">
+        <header class="mb-12 border-b border-white/5 pb-12 flex justify-between items-center">
+            <h1 class="text-4xl font-extrabold text-mauve">
+                Admin Dashboard
+            </h1>
+            <button id="logout-btn" class="text-red hover:text-maroon transition-colors font-medium">
+                Logout
+            </button>
+        </header>
+
+        <div class="grid md:grid-cols-2 gap-8">
+            <a href="/admin/editor" class="group">
+                <div class="bg-surface0/50 p-8 rounded-xl border border-white/5 transition-all hover:bg-surface0 hover:scale-[1.02] h-full">
+                    <h2 class="text-2xl font-bold text-lavender mb-2 group-hover:text-mauve transition-colors">Write a Post</h2>
+                    <p class="text-subtext0">Create or edit markdown posts and upload images.</p>
+                </div>
+            </a>
+            
+            <a href="/admin/settings" class="group">
+                <div class="bg-surface0/50 p-8 rounded-xl border border-white/5 transition-all hover:bg-surface0 hover:scale-[1.02] h-full">
+                    <h2 class="text-2xl font-bold text-blue mb-2 group-hover:text-sky transition-colors">Site Settings</h2>
+                    <p class="text-subtext0">Update the blog title, favicon, and theme configuration.</p>
+                </div>
+            </a>
+        </div>
+    </div>
+
+    <script>
+        const token = localStorage.getItem('admin_token');
+        if (!token) {
+            window.location.href = '/admin/login';
+        } else {
+            const content = document.getElementById('admin-content');
+            if (content) content.style.display = 'block';
+        }
+
+        document.getElementById('logout-btn')?.addEventListener('click', () => {
+            localStorage.removeItem('admin_token');
+            window.location.href = '/';
+        });
+    </script>
+</Layout>