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/assets/less/controls/tree-path.less

@@ -0,0 +1,61 @@
+ul.tree-path {
+    list-style: none;
+    padding: 0;
+    margin-bottom: 0;
+
+    li {
+        display: inline-block;
+        margin-right: 1px;
+        font-size: 13px;
+
+        &:after {
+            .icon(@angle-right);
+            display: inline-block;
+            font-size: 13px;
+            margin-left: 5px;
+            position: relative;
+            top: 1px;
+            color: #95a5a6;
+        }
+
+        &:last-child {
+            a {
+                cursor: default;
+            }
+
+            &:after {
+                display: none;
+            }
+        }
+
+        &.go-up {
+            font-size: 12px;
+            margin-right: 7px;
+
+            a {
+                color: #95a5a6;
+
+                &:hover {
+                    color: @link-color;
+                }
+            }
+
+            &:after {
+                display: none;
+            }
+        }
+
+        &.root a {
+            font-weight: 600;
+            color: #405261;
+        }
+
+        a {
+            color: #95a5a6;
+
+            &:hover {
+                text-decoration: none;
+            }
+        }
+    }
+}