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/Providers/ModuleServiceProvider.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Providers;
+
+use Illuminate\Support\ServiceProvider;
+use App\Support\ModuleManager;
+
+/**
+ * Module Service Provider
+ *
+ * Dynamically loads enabled module service providers.
+ * Each module has its own ServiceProvider that registers
+ * routes, views, and other resources when the module is enabled.
+ */
+class ModuleServiceProvider extends ServiceProvider
+{
+    /**
+     * Module service provider class mappings.
+     * Key = module identifier, Value = service provider class
+     */
+    protected array $moduleProviders = [
+        'products' => \App\Modules\Products\Providers\ProductsServiceProvider::class,
+        'services' => \App\Modules\Services\Providers\ServicesServiceProvider::class,
+        'chatbot' => \App\Modules\Chatbot\Providers\ChatbotServiceProvider::class,
+    ];
+
+    /**
+     * Register services.
+     */
+    public function register(): void
+    {
+        // Register the ModuleManager as a singleton
+        $this->app->singleton(ModuleManager::class, function ($app) {
+            return new ModuleManager();
+        });
+
+        // Register enabled module service providers
+        $manager = $this->app->make(ModuleManager::class);
+
+        foreach ($this->moduleProviders as $module => $providerClass) {
+            if ($manager->isEnabled($module) && class_exists($providerClass)) {
+                $this->app->register($providerClass);
+            }
+        }
+    }
+
+    /**
+     * Bootstrap services.
+     */
+    public function boot(): void
+    {
+        // Module bootstrapping is handled by individual module providers
+    }
+}