feat: add prisma support, admin panel and auth

app/admin/components/SignOutButton.tsx

@@ -0,0 +1,16 @@
+'use client';
+
+import React from 'react';
+import { signout } from '../actions';
+
+export default function SignOutButton() {
+  return (
+    <button 
+      onClick={() => signout()} 
+      className="action-btn" 
+      style={{ fontSize: '0.8rem', color: 'var(--accent-rose)' }}
+    >
+      Çıkış Yap
+    </button>
+  );
+}