feat: add prisma support, admin panel and auth

app/login/page.tsx

@@ -0,0 +1,65 @@
+'use client';
+
+import React, { useState } from 'react';
+import { authenticate } from '../admin/actions';
+import './login.css';
+
+export default function LoginPage() {
+  const [error, setError] = useState<string | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  async function handleSubmit(formData: FormData) {
+    setLoading(true);
+    setError(null);
+    const result = await authenticate(formData);
+    if (result?.error) {
+      setError(result.error);
+      setLoading(false);
+    }
+  }
+
+  return (
+    <div className="login-page">
+      <div className="login-card">
+        <div className="login-header">
+          <h1>LUNA <span>ADMIN</span></h1>
+          <p>Yönetim paneline giriş yapın</p>
+        </div>
+        
+        <form action={handleSubmit} className="login-form">
+          {error && <div className="login-error">{error}</div>}
+          
+          <div className="form-group">
+            <label htmlFor="username">Kullanıcı Adı</label>
+            <input 
+              type="text" 
+              id="username" 
+              name="username" 
+              className="admin-input" 
+              required 
+            />
+          </div>
+          
+          <div className="form-group">
+            <label htmlFor="password">Şifre</label>
+            <input 
+              type="password" 
+              id="password" 
+              name="password" 
+              className="admin-input" 
+              required 
+            />
+          </div>
+          
+          <button type="submit" className="admin-btn login-btn" disabled={loading}>
+            {loading ? 'Giriş yapılıyor...' : 'Giriş Yap'}
+          </button>
+        </form>
+        
+        <div className="login-footer">
+          <a href="/" className="back-to-site">← Siteye Dön</a>
+        </div>
+      </div>
+    </div>
+  );
+}