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/inspector.validator.length.js

@@ -0,0 +1,72 @@
+/*
+ * Inspector length validator.
+ */
++function ($) { "use strict";
+
+    var Base = $.wn.inspector.validators.base,
+        BaseProto = Base.prototype
+
+    var LengthValidator = function(options) {
+        Base.call(this, options)
+    }
+
+    LengthValidator.prototype = Object.create(BaseProto)
+    LengthValidator.prototype.constructor = Base
+
+    LengthValidator.prototype.isValid = function(value) {
+        if (value === undefined || value === null) {
+            return null
+        }
+
+        if (typeof value == 'boolean') {
+            this.throwError('The Length Inspector validator cannot work with Boolean values.')
+
+        }
+
+        var length = null
+
+        if(Object.prototype.toString.call(value) === '[object Array]' || typeof value === 'string') {
+            length = value.length
+        }
+        else if (typeof value === 'object') {
+            length = this.getObjectLength(value)
+        }
+
+        if (this.options.min !== undefined || this.options.max !== undefined) {
+            if (this.options.min !== undefined) {
+                if (this.options.min.value === undefined) {
+                    throw new Error('The min.value parameter is not defined in the Length Inspector validator configuration.')
+                }
+
+                if (length < this.options.min.value) {
+                    return this.options.min.message !== undefined ?
+                        this.options.min.message :
+                        "The value should not be shorter than " + this.options.min.value
+                }
+            }
+
+            if (this.options.max !== undefined) {
+                if (this.options.max.value === undefined)
+                    throw new Error('The max.value parameter is not defined in the Length Inspector validator configuration.')
+
+                if (length > this.options.max.value) {
+                    return this.options.max.message !== undefined ?
+                        this.options.max.message :
+                        "The value should not be longer than " + this.options.max.value
+                }
+            }
+        }
+    }
+
+    LengthValidator.prototype.getObjectLength = function(value) {
+        var result = 0
+
+        for (var key in value) {
+            result++
+        }
+
+        return result
+    }
+
+    $.wn.inspector.validators.length = LengthValidator
+}(window.jQuery);