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/widgets/form/partials/_field_radio.php

@@ -0,0 +1,43 @@
+<?php
+$fieldOptions = $field->options();
+?>
+<!-- Radio List -->
+<?php if (count($fieldOptions)): ?>
+
+    <?php $index = 0; foreach ($fieldOptions as $value => $option): ?>
+        <?php
+        $index++;
+        if (is_string($option)) {
+            $option = array($option);
+        }
+
+        $fieldId = md5(uniqid($field->getId($index), true));
+        ?>
+        <div class="radio custom-radio">
+
+            <input
+                id="<?= $fieldId ?>"
+                name="<?= $field->getName() ?>"
+                value="<?= e($value) ?>"
+                type="radio"
+                <?= $field->isSelected($value) ? 'checked="checked"' : '' ?>
+                <?= $this->previewMode ? 'disabled="disabled"' : '' ?>
+                <?= $field->getAttributes() ?>>
+
+            <label for="<?= $fieldId ?>">
+                <?= e(trans($option[0])) ?>
+            </label>
+            <?php if (isset($option[1])): ?>
+                <p class="help-block"><?= e(trans($option[1])) ?></p>
+            <?php endif ?>
+        </div>
+    <?php endforeach ?>
+
+<?php else: ?>
+
+    <!-- No options specified -->
+    <?php if ($field->placeholder): ?>
+        <p><?= e(trans($field->placeholder)) ?></p>
+    <?php endif ?>
+
+<?php endif ?>