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/vendor/syntaxhighlighter/scripts/shBrushPlain.js

@@ -0,0 +1,33 @@
+/**
+ * SyntaxHighlighter
+ * http://alexgorbatchev.com/SyntaxHighlighter
+ *
+ * SyntaxHighlighter is donationware. If you are using it, please donate.
+ * http://alexgorbatchev.com/SyntaxHighlighter/donate.html
+ *
+ * @version
+ * 3.0.83 (July 02 2010)
+ * 
+ * @copyright
+ * Copyright (C) 2004-2010 Alex Gorbatchev.
+ *
+ * @license
+ * Dual licensed under the MIT and GPL licenses.
+ */
+;(function()
+{
+	// CommonJS
+	typeof(require) != 'undefined' ? SyntaxHighlighter = require('shCore').SyntaxHighlighter : null;
+
+	function Brush()
+	{
+	};
+
+	Brush.prototype	= new SyntaxHighlighter.Highlighter();
+	Brush.aliases	= ['text', 'plain'];
+
+	SyntaxHighlighter.brushes.Plain = Brush;
+
+	// CommonJS
+	typeof(exports) != 'undefined' ? exports.Brush = Brush : null;
+})();