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/_column_code.php

@@ -0,0 +1,16 @@
+<?php
+$icon = null;
+
+if ($record->is_disabled) {
+    $icon = 'eye-slash';
+} elseif ($record->disabledBySystem) {
+    $icon = 'exclamation';
+} elseif ($record->orphaned) {
+    $icon = 'question';
+} elseif ($record->is_frozen) {
+    $icon = 'lock';
+}
+?>
+<span class="<?= $icon ? 'wn-icon-'.$icon : '' ?>">
+    <?= $value ?>
+</span>