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/assets/ui/docs/pagination.md

@@ -0,0 +1,23 @@
+### Basic example
+
+    <div class="control-pagination">
+        <span class="page-iteration">Displayed records: 1-5 of 20</span>
+        <a href="#" class="page-back" title="Previous page"></a><a href="#" class="page-next" title="Next page"></a>
+    </div>
+
+### Complete example
+
+    <div class="control-pagination">
+        <span class="page-iteration">Displayed records: 1-5 of 20</span>
+        <span class="page-first" title="First page"></span>
+        <span class="page-back" title="Previous page"></span>
+        <select
+            name="page"
+            class="form-control custom-select select-no-search">
+                <option value="1" selected>1</option>
+                <option value="2">2</option>
+                <option value="3">3</option>
+        </select>
+        <a href="#" class="page-next" title="Next page"></a>
+        <a href="#" class="page-last" title="Last page"></a>
+    </div>