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/mediamanager/partials/_new-folder-form.php

@@ -0,0 +1,32 @@
+<script type="text/template" data-control="new-folder-template">
+    <?= Form::open() ?>
+        <div class="modal-header">
+            <button type="button" class="close" data-dismiss="popup">&times;</button>
+            <h4 class="modal-title"><?= e(trans('backend::lang.media.new_folder_title')) ?></h4>
+        </div>
+        <div class="modal-body">
+            <div class="form-group">
+                <label><?= e(trans('backend::lang.media.folder_name')) ?></label>
+                <input
+                    type="text"
+                    class="form-control"
+                    name="name"
+                    value=""
+                    autocomplete="off" />
+            </div>
+        </div>
+        <div class="modal-footer">
+            <button
+                type="submit"
+                class="btn btn-primary">
+                <?= e(trans('backend::lang.form.apply')) ?>
+            </button>
+            <button
+                type="button"
+                class="btn btn-default"
+                data-dismiss="popup">
+                <?= e(trans('backend::lang.form.cancel')) ?>
+            </button>
+        </div>
+    </form>
+</script>