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/less/vendor.less

@@ -0,0 +1,66 @@
+//
+// Vendor file
+//
+// Includes all vendor LESS files that contain usable output
+//
+
+@import "theme/boot";
+
+//
+// Bootstrap
+//
+
+// Reset
+@import "../vendor/bootstrap/less/normalize";
+@import "../vendor/bootstrap/less/print";
+
+// Core CSS
+@import "../vendor/bootstrap/less/scaffolding";
+@import "../vendor/bootstrap/less/type";
+@import "../vendor/bootstrap/less/code";
+@import "../vendor/bootstrap/less/grid";
+@import "../vendor/bootstrap/less/tables";
+@import "../vendor/bootstrap/less/forms";
+@import "../vendor/bootstrap/less/buttons";
+
+// Components
+@import "../vendor/bootstrap/less/component-animations";
+@import "../vendor/bootstrap/less/dropdowns";
+@import "../vendor/bootstrap/less/button-groups";
+@import "../vendor/bootstrap/less/input-groups";
+@import "../vendor/bootstrap/less/navs";
+@import "../vendor/bootstrap/less/navbar";
+@import "../vendor/bootstrap/less/breadcrumbs";
+@import "../vendor/bootstrap/less/pagination";
+@import "../vendor/bootstrap/less/pager";
+@import "../vendor/bootstrap/less/labels";
+@import "../vendor/bootstrap/less/badges";
+@import "../vendor/bootstrap/less/jumbotron";
+@import "../vendor/bootstrap/less/thumbnails";
+@import "../vendor/bootstrap/less/alerts";
+@import "../vendor/bootstrap/less/progress-bars";
+@import "../vendor/bootstrap/less/media";
+@import "../vendor/bootstrap/less/list-group";
+@import "../vendor/bootstrap/less/panels";
+@import "../vendor/bootstrap/less/wells";
+@import "../vendor/bootstrap/less/close";
+
+// Components w/ JavaScript
+@import "../vendor/bootstrap/less/modals";
+@import "../vendor/bootstrap/less/tooltip";
+@import "../vendor/bootstrap/less/popovers";
+@import "../vendor/bootstrap/less/carousel";
+
+// Utility classes
+@import "../vendor/bootstrap/less/utilities";
+@import "../vendor/bootstrap/less/responsive-utilities";
+
+//
+// Font Awesome
+//
+
+@import "../vendor/font-awesome/less/path";
+@import "../vendor/font-awesome/less/core";
+@import "../vendor/font-awesome/less/bootstrap";
+@import "../vendor/font-awesome/less/extras";
+@import "../vendor/font-awesome/less/icons";