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

themes/demo/assets/vendor/bootstrap/less/labels.less

@@ -0,0 +1,64 @@
+//
+// Labels
+// --------------------------------------------------
+
+.label {
+  display: inline;
+  padding: .2em .6em .3em;
+  font-size: 75%;
+  font-weight: bold;
+  line-height: 1;
+  color: @label-color;
+  text-align: center;
+  white-space: nowrap;
+  vertical-align: baseline;
+  border-radius: .25em;
+
+  // Add hover effects, but only for links
+  a& {
+    &:hover,
+    &:focus {
+      color: @label-link-hover-color;
+      text-decoration: none;
+      cursor: pointer;
+    }
+  }
+
+  // Empty labels collapse automatically (not available in IE8)
+  &:empty {
+    display: none;
+  }
+
+  // Quick fix for labels in buttons
+  .btn & {
+    position: relative;
+    top: -1px;
+  }
+}
+
+// Colors
+// Contextual variations (linked labels get darker on :hover)
+
+.label-default {
+  .label-variant(@label-default-bg);
+}
+
+.label-primary {
+  .label-variant(@label-primary-bg);
+}
+
+.label-success {
+  .label-variant(@label-success-bg);
+}
+
+.label-info {
+  .label-variant(@label-info-bg);
+}
+
+.label-warning {
+  .label-variant(@label-warning-bg);
+}
+
+.label-danger {
+  .label-variant(@label-danger-bg);
+}