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/components/ViewBag.php

@@ -0,0 +1,83 @@
+<?php namespace Cms\Components;
+
+use Cms\Classes\ComponentBase;
+
+/**
+ * The view bag stores custom template properties.
+ * This is a hidden component ignored by the back-end UI.
+ *
+ * @package winter\wn-cms-module
+ * @author Alexey Bobkov, Samuel Georges
+ */
+class ViewBag extends ComponentBase
+{
+    /**
+     * @var boolean This component is hidden from the back-end UI.
+     */
+    public $isHidden = true;
+
+    /**
+     * @return array
+     */
+    public function componentDetails()
+    {
+        return [
+            'name'        => 'viewBag',
+            'description' => 'Stores custom template properties.'
+        ];
+    }
+
+    /**
+     * @param array $properties
+     * @return array
+     */
+    public function validateProperties(array $properties)
+    {
+        return $properties;
+    }
+
+    /**
+     * Implements the getter functionality.
+     * @param  string  $name
+     * @return void
+     */
+    public function __get($name)
+    {
+        if (array_key_exists($name, $this->properties)) {
+            return $this->properties[$name];
+        }
+
+        return null;
+    }
+
+    /**
+     * Determine if an attribute exists on the object.
+     * @param  string $key
+     * @return bool
+     */
+    public function __isset($key)
+    {
+        if (array_key_exists($key, $this->properties)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * @return array
+     */
+    public function defineProperties()
+    {
+        $result = [];
+
+        foreach ($this->properties as $name => $value) {
+            $result[$name] = [
+                'title' => $name,
+                'type' => 'string'
+            ];
+        }
+
+        return $result;
+    }
+}