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/less/list.rowlink.less

@@ -0,0 +1,20 @@
+// Rowlink.less
+// CSS for rowlink plugin
+// ----------------------
+
+tr.rowlink:not(.nolink) td {
+    cursor: pointer;
+    &.nolink {
+        cursor: auto;
+    }
+}
+
+.table tbody tr.rowlink:hover td {
+    background-color: @table-bg-hover;
+}
+
+a.rowlink {
+    color: inherit;
+    font: inherit;
+    text-decoration: inherit;
+}