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

app/Support/helpers.php

@@ -0,0 +1,29 @@
+<?php
+
+use App\Support\ModuleManager;
+
+if (!function_exists('module_enabled')) {
+    /**
+     * Check if a module is enabled.
+     *
+     * @param string $module The module identifier (e.g., 'products', 'services')
+     * @return bool
+     */
+    function module_enabled(string $module): bool
+    {
+        return app(ModuleManager::class)->isEnabled($module);
+    }
+}
+
+if (!function_exists('module_disabled')) {
+    /**
+     * Check if a module is disabled.
+     *
+     * @param string $module The module identifier
+     * @return bool
+     */
+    function module_disabled(string $module): bool
+    {
+        return !module_enabled($module);
+    }
+}