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/controllers/updates/manage.php

@@ -0,0 +1,28 @@
+<?php Block::put('breadcrumb') ?>
+    <ul>
+        <li><a href="<?= Backend::url('system/updates') ?>"><?= e(trans('system::lang.updates.menu_label')) ?></a></li>
+        <li><?= e(trans($this->pageTitle)) ?></li>
+    </ul>
+<?php Block::endPut() ?>
+
+<?= $this->listRender('manage') ?>
+
+<!-- Specific assets for this page only -->
+<style>
+    td { vertical-align: middle !important; }
+</style>
+<script>
+    jQuery(document).ready(function($) {
+        function checkSwitches() {
+            $("[data-check|='oc']").each(function() {
+                $(this).find('input').on('change', function() {
+                  this.value = this.checked ? 1 : 0;
+                });
+            });
+        }
+        checkSwitches();
+        $(document).ajaxComplete(function() {
+            checkSwitches();
+        });
+    });
+</script>