feat: VivesPOS landing on Winter CMS 1.2 — theme + plugin + Dockerfile

- Base: wintercms/winter branch 1.2 (full framework)
- Theme vivespos: Canvas 7 + Bootstrap 5 CDN, custom CSS
- Layout: deferred GTM/GA4 tracking, JSON-LD SoftwareApplication
- Partials: hero (offline-first), features, modes (offline/nube toggle),
  screenshots, pricing (3 planes), comparison, FAQ, CTA
- Plugin VivesPOS.Site with ContactForm
- Dockerfile: PHP 8.2 Apache, port 80, healthcheck
- Added winter/wn-pages, blog, sitemap, seo plugins
- Active theme set to vivespos

modules/cms/lang/ar/lang.php

@@ -0,0 +1,40 @@
+<?php
+
+return [
+    'dashboard' => [
+        'active_theme' => [
+            'widget_title_default' => 'الموقع',
+            'online' => 'أونلاين',
+            'maintenance' => 'تحت الصيانة',
+            'manage_themes' => 'إدارة القوالب',
+            'customize_theme' => 'تخصيص القالب'
+        ]
+    ],
+    'page' => [
+        'menu_label' => 'الصفحات',
+    ],
+    'layout' => [
+        'menu_label' => 'النماذج',
+    ],
+    'partial' => [
+        'menu_label' => 'الجزئيات',
+    ],
+    'content' => [
+        'menu_label' => 'المحتوى',
+    ],
+    'cms' => [
+        'menu_label' => 'المحتوى'
+    ],
+    'editor' => [
+        'settings' => 'الإعدادات',
+    ],
+    'asset' => [
+        'menu_label' => 'الأصول',
+    ],
+    'component' => [
+        'menu_label' => 'المكونات',
+    ],
+    'permissions' => [
+        'name' => 'إدارة المحتوى',
+    ],
+];