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/formwidgets/repeater/partials/_repeater_item.php

@@ -0,0 +1,56 @@
+<?php
+    $groupCode = $useGroups ? $this->getGroupCodeFromIndex($indexValue) : '';
+    $itemTitle = $useGroups ? $this->getGroupTitle($groupCode) : null;
+?>
+<li
+    <?= $itemTitle ? 'data-collapse-title="'.e(trans($itemTitle)).'"' : '' ?>
+    class="field-repeater-item"
+    <?php if ($mode === 'grid'): ?>
+    style="min-height: <?= $rowHeight ?>px"
+    <?php endif ?>
+>
+
+    <?php if (!$this->previewMode): ?>
+        <?php if ($sortable): ?>
+            <div class="repeater-item-handle <?= $this->getId('items') ?>-handle">
+                <i class="icon-bars"></i>
+            </div>
+        <?php endif; ?>
+
+        <div class="repeater-item-remove">
+            <button
+                type="button"
+                class="close"
+                aria-label="Remove"
+                data-repeater-remove
+                data-request="<?= $this->getEventHandler('onRemoveItem') ?>"
+                data-request-data="'_repeater_index': '<?= $indexValue ?>', '_repeater_group': '<?= $groupCode ?>'"
+                data-request-confirm="<?= e(trans('backend::lang.form.action_confirm')) ?>">
+                <span aria-hidden="true">&times;</span>
+            </button>
+        </div>
+    <?php endif ?>
+
+    <?php if ($mode !== 'grid'): ?>
+    <div class="repeater-item-collapse">
+        <a href="javascript:;" class="repeater-item-collapse-one">
+            <i class="icon-chevron-up"></i>
+        </a>
+    </div>
+
+    <div class="repeater-item-collapsed-title"></div>
+    <?php endif ?>
+
+    <div class="field-repeater-form"
+         data-control="formwidget"
+         data-refresh-handler="<?= $this->getEventHandler('onRefresh') ?>"
+         data-refresh-data="'_repeater_index': '<?= $indexValue ?>', '_repeater_group': '<?= $groupCode ?>'">
+        <?php foreach ($widget->getFields() as $field): ?>
+            <?= $widget->renderField($field) ?>
+        <?php endforeach ?>
+        <?php if ($useGroups): ?>
+            <input type="hidden" name="<?= $widget->arrayName ?>[_group]" value="<?= $groupCode ?>" />
+        <?php endif ?>
+    </div>
+
+</li>