feat(cms): implement complete SysSiteCMS content management system

Initial implementation of the HomeSysPanel CMS built with Laravel 13.0.
Includes complete admin panel, content management, user authentication,
modular architecture for products/services/chatbot, and marketing tools.

Key features:
- User authentication with email verification and password reset
- Role-based access control (Admin/User with granular permissions)
- Content management (pages, news, FAQ, downloads, galleries, banners)
- Contact management system with subjects and responses
- Marketing tools (email campaigns, visitor analytics, social sharing)
- Modular architecture (Products, Services, Chatbot modules)
- AI Chatbot integration with OpenRouter.ai and LlamaCpp support
- Visitor tracking with geolocation
- SEO optimization with meta tags and Open Graph
- Responsive design with Bootstrap 5
- Dark mode support
- Maintenance mode
- Feature request system

database/seeders/ProductCategorySeeder.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Database\Seeders;
+
+use Illuminate\Database\Seeder;
+use App\Modules\Products\Models\ProductCategory;
+
+class ProductCategorySeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        $categories = [
+            ['name' => 'Notebooks', 'slug' => 'notebooks', 'active' => true, 'order' => 1],
+            ['name' => 'Acessórios', 'slug' => 'acessorios', 'active' => true, 'order' => 2],
+            ['name' => 'Peças', 'slug' => 'pecas', 'active' => true, 'order' => 3],
+        ];
+
+        foreach ($categories as $category) {
+            ProductCategory::updateOrCreate(['slug' => $category['slug']], $category);
+        }
+    }
+}