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/js/winter.js

@@ -0,0 +1,35 @@
+/*
+ * This is a bundle file, you can compile this by running
+ *
+ *     php artisan winter:util compile assets
+ *
+ * @see winter-min.js
+ *
+
+=require vendor/jquery.touchwipe.js
+=require vendor/jquery.autoellipsis.js
+=require vendor/jquery.waterfall.js
+=require vendor/jquery.cookie.js
+=require ../vendor/dropzone/dropzone.js
+=require ../vendor/sweet-alert/sweet-alert.js
+=require ../vendor/jcrop/js/jquery.Jcrop.js
+=require ../../../system/assets/vendor/prettify/prettify.js
+=require ../../widgets/mediamanager/assets/js/mediamanager-global.js
+
+=require winter.lang.js
+=require winter.alert.js
+=require winter.scrollpad.js
+=require winter.verticalmenu.js
+=require winter.navbar.js
+=require winter.sidenav.js
+=require winter.scrollbar.js
+=require winter.filelist.js
+=require winter.layout.js
+=require winter.sidepaneltab.js
+=require winter.simplelist.js
+=require winter.treelist.js
+=require winter.sidenav-tree.js
+=require winter.datetime.js
+
+=require backend.js
+*/