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

phpunit.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="./modules/system/tests/bootstrap/app.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+>
+    <coverage>
+        <include>
+            <directory suffix=".php">./modules/</directory>
+        </include>
+        <exclude>
+            <file>./modules/backend/routes.php</file>
+            <file>./modules/cms/routes.php</file>
+            <file>./modules/system/routes.php</file>
+            <directory suffix=".php">./modules/backend/database</directory>
+            <directory suffix=".php">./modules/cms/database</directory>
+            <directory suffix=".php">./modules/system/database</directory>
+        </exclude>
+    </coverage>
+    <testsuites>
+        <testsuite name="Winter CMS Test Suite">
+            <directory>./modules/system</directory>
+            <directory>./modules/cms</directory>
+            <directory>./modules/backend</directory>
+        </testsuite>
+    </testsuites>
+    <php>
+        <env name="APP_ENV" value="testing"/>
+        <env name="CACHE_DRIVER" value="array"/>
+        <env name="SESSION_DRIVER" value="array"/>
+    </php>
+</phpunit>