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

bootstrap/app.php

@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Foundation\Application;
+use Illuminate\Foundation\Configuration\Exceptions;
+use Illuminate\Foundation\Configuration\Middleware;
+use Illuminate\Support\Facades\Route;
+
+return Application::configure(basePath: dirname(__DIR__))
+    ->withRouting(
+        web: __DIR__.'/../routes/web.php',
+        commands: __DIR__.'/../routes/console.php',
+        health: '/up',
+    )
+    ->withMiddleware(function (Middleware $middleware): void {
+        $middleware->alias([
+            'admin' => \App\Http\Middleware\EnsureUserIsAdmin::class,
+            'permission' => \App\Http\Middleware\CheckPermission::class,
+            'throttle.contact' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
+        ]);
+
+        $middleware->web(append: [
+            \App\Http\Middleware\CheckMaintenanceMode::class,
+            \App\Http\Middleware\TrackVisitor::class,
+        ]);
+    })
+    ->withExceptions(function (Exceptions $exceptions): void {
+        //
+    })->create();