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.layout.js

@@ -0,0 +1,86 @@
+(function($){
+    var WinterLayout = function() {
+        this.$accountMenuOverlay = null
+    }
+
+    WinterLayout.prototype.setPageTitle = function(title) {
+        var $title = $('title')
+
+        if (this.pageTitleTemplate === undefined)
+            this.pageTitleTemplate = $title.data('titleTemplate')
+
+        $title.text(this.pageTitleTemplate.replace('%s', title))
+    }
+
+    WinterLayout.prototype.updateLayout = function(title) {
+        var $children, $el, fixedWidth, margin
+
+        $('[data-calculate-width]').each(function(){
+            $children = $(this).children()
+
+            if ($children.length > 0) {
+                fixedWidth = 0
+
+                $children.each(function() {
+                    $el = $(this)
+                    margin = $el.data('oc.layoutMargin')
+
+                    if (margin === undefined) {
+                        margin = parseInt($el.css('marginRight')) + parseInt($el.css('marginLeft'))
+                        $el.data('oc.layoutMargin', margin)
+                    }
+                    fixedWidth += $el.get(0).offsetWidth + margin
+                })
+
+                $(this).width(fixedWidth)
+                $(this).trigger('oc.widthFixed')
+            }
+        })
+    }
+
+    WinterLayout.prototype.toggleAccountMenu = function(el) {
+        var self = this,
+            $el = $(el),
+            $parent = $(el).parent(),
+            $menu = $el.next()
+
+        $el.tooltip('hide')
+
+        if ($menu.hasClass('active')) {
+            self.$accountMenuOverlay.remove()
+            $parent.removeClass('highlight')
+            $menu.removeClass('active')
+        }
+        else {
+            self.$accountMenuOverlay = $('<div />').addClass('popover-overlay')
+            $(document.body).append(self.$accountMenuOverlay)
+            $parent.addClass('highlight')
+            $menu.addClass('active')
+
+            self.$accountMenuOverlay.one('click', function(){
+                self.$accountMenuOverlay.remove()
+                $menu.removeClass('active')
+                $parent.removeClass('highlight')
+            })
+        }
+    }
+
+     if ($.wn === undefined)
+        $.wn = {}
+    if ($.oc === undefined)
+        $.oc = $.wn
+
+    $.wn.layout = new WinterLayout()
+
+    $(document).ready(function(){
+        $.wn.layout.updateLayout()
+
+        window.setTimeout($.wn.layout.updateLayout, 100)
+    })
+    $(window).on('resize', function() {
+        $.wn.layout.updateLayout()
+    })
+    $(window).on('oc.updateUi', function() {
+        $.wn.layout.updateLayout()
+    })
+})(jQuery);