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/system/tests/fixtures/plugins/dependencytest/dependency/Plugin.php

@@ -0,0 +1,16 @@
+<?php namespace DependencyTest\Dependency;
+
+use System\Classes\PluginBase;
+
+class Plugin extends PluginBase
+{
+    public function pluginDetails()
+    {
+        return [
+            'name' => 'Dependency Test - Dependency',
+            'description' => 'This is a test plugin that will act as a dependency for the other test plugins in this
+                namespace.',
+            'author' => 'Ben Thomson'
+        ];
+    }
+}

modules/system/tests/fixtures/plugins/dependencytest/dependency/updates/version.yaml

@@ -0,0 +1 @@
+1.0.1: Initial version of the plugin