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/admin/downloads/edit.blade.php

@@ -0,0 +1,73 @@
+@extends('layouts.admin')
+
+@section('title', 'Editar Download')
+
+@section('content')
+<div class="d-sm-flex align-items-center justify-content-between mb-4">
+    <h1 class="h3 mb-0 text-gray-800">Editar Download</h1>
+    <a href="{{ route('admin.downloads.index') }}" class="btn btn-sm btn-secondary shadow-sm">
+        <i class="bi bi-arrow-left text-white-50"></i> Voltar
+    </a>
+</div>
+
+<div class="card shadow mb-4">
+    <div class="card-header py-3">
+        <h6 class="m-0 font-weight-bold text-primary">Informações do Arquivo</h6>
+    </div>
+    <div class="card-body">
+        <form action="{{ route('admin.downloads.update', $download) }}" method="POST" enctype="multipart/form-data">
+            @csrf
+            @method('PUT')
+            
+            <div class="form-group mb-3">
+                <label class="font-weight-bold">Título do Download</label>
+                <input type="text" name="title" class="form-control @error('title') is-invalid @enderror" value="{{ old('title', $download->title) }}" required>
+                @error('title') <div class="invalid-feedback">{{ $message }}</div> @enderror
+            </div>
+
+            <div class="form-group mb-3">
+                <label class="font-weight-bold">Descrição</label>
+                <textarea name="description" class="form-control @error('description') is-invalid @enderror" rows="3">{{ old('description', $download->description) }}</textarea>
+                @error('description') <div class="invalid-feedback">{{ $message }}</div> @enderror
+            </div>
+
+            <div class="row">
+                <div class="col-md-4">
+                    <div class="form-group mb-3">
+                        <label class="font-weight-bold">Tipo de Arquivo</label>
+                        <select name="file_type" class="form-control @error('file_type') is-invalid @enderror" required>
+                            <option value="Driver" {{ $download->file_type == 'Driver' ? 'selected' : '' }}>Driver</option>
+                            <option value="Manual" {{ $download->file_type == 'Manual' ? 'selected' : '' }}>Manual</option>
+                            <option value="Software" {{ $download->file_type == 'Software' ? 'selected' : '' }}>Software</option>
+                            <option value="Outro" {{ $download->file_type == 'Outro' ? 'selected' : '' }}>Outro</option>
+                        </select>
+                        @error('file_type') <div class="invalid-feedback">{{ $message }}</div> @enderror
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="form-group mb-3">
+                        <label class="font-weight-bold">Substituir Arquivo (Opcional)</label>
+                        <input type="file" name="file" class="form-control-file @error('file') is-invalid @enderror">
+                        <small class="text-muted d-block">Deixe em branco para manter o arquivo atual.</small>
+                        @error('file') <div class="invalid-feedback d-block">{{ $message }}</div> @enderror
+                    </div>
+                </div>
+                <div class="col-md-4">
+                    <div class="form-group mb-3">
+                        <label class="font-weight-bold">Status</label>
+                        <select name="active" class="form-control">
+                            <option value="1" {{ $download->active ? 'selected' : '' }}>Ativo (Visível)</option>
+                            <option value="0" {{ !$download->active ? 'selected' : '' }}>Inativo (Oculto)</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+
+            <hr>
+            <button type="submit" class="btn btn-primary btn-block py-3 fw-bold shadow-sm">
+                <i class="bi bi-floppy me-1"></i> Salvar Alterações
+            </button>
+        </form>
+    </div>
+</div>
+@endsection