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/backend/classes/ReportWidgetBase.php

@@ -0,0 +1,28 @@
+<?php namespace Backend\Classes;
+
+/**
+ * Report Widget base class
+ * Report widgets are used inside the ReportContainer.
+ *
+ * @package winter\wn-backend-module
+ * @author Alexey Bobkov, Samuel Georges
+ */
+class ReportWidgetBase extends WidgetBase
+{
+    use \System\Traits\PropertyContainer;
+
+    public function __construct($controller, $properties = [])
+    {
+        $this->properties = $this->validateProperties($properties);
+
+        /*
+         * Ensure the provided alias (if present) takes effect as the widget configuration is
+         * not passed to the WidgetBase constructor which would normally take care of that
+         */
+        if (!isset($this->alias)) {
+            $this->alias = $properties['alias'] ?? $this->defaultAlias;
+        }
+
+        parent::__construct($controller);
+    }
+}