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

resources/views/about.blade.php

@@ -0,0 +1,15 @@
+@extends('layouts.app')
+
+@section('title', $page->title)
+@section('meta_description', $page->meta_description)
+@section('meta_keywords', $page->meta_keywords)
+@section('og_title', $page->og_title)
+@section('og_description', $page->og_description)
+@section('og_image', $page->og_image)
+@section('canonical', $page->canonical_url)
+
+@section('content')
+    <div class="container py-5">
+        {!! $page->content !!}
+    </div>
+@endsection