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/js/foundation.controlutils.js

@@ -0,0 +1,52 @@
+/*
+ * Winter JavaScript foundation library.
+ *
+ * Utility functions for working back-end client-side UI controls.
+ *
+ * Usage examples:
+ *
+ * $.wn.foundation.controlUtils.markDisposable(el)
+ * $.wn.foundation.controlUtils.disposeControls(container)
+ *
+ */
++function ($) { "use strict";
+     if ($.wn === undefined)
+        $.wn = {}
+    if ($.oc === undefined)
+        $.oc = $.wn
+
+    if ($.wn.foundation === undefined)
+        $.wn.foundation = {}
+
+    var ControlUtils = {
+        markDisposable: function(el) {
+            el.setAttribute('data-disposable', '')
+        },
+
+        /*
+         * Destroys all disposable controls in a container.
+         * The disposable controls should watch the dispose-control
+         * event.
+         */
+        disposeControls: function(container) {
+            var controls = container.querySelectorAll('[data-disposable]')
+
+            for (var i=0, len=controls.length; i<len; i++)
+                $(controls[i]).triggerHandler('dispose-control')
+
+            if (container.hasAttribute('data-disposable'))
+                $(container).triggerHandler('dispose-control')
+        }
+    }
+
+    $.wn.foundation.controlUtils = ControlUtils;
+
+    $(document).on('ajaxBeforeReplace', function(ev){
+        // Automatically dispose controls in an element
+        // before the element contents is replaced.
+        // The ajaxBeforeReplace event is triggered in
+        // framework.js
+
+        $.wn.foundation.controlUtils.disposeControls(ev.target)
+    })
+}(window.jQuery);