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/prettify/lang-r.js

@@ -0,0 +1,2 @@
+PR.registerLangHandler(PR.createSimpleLexer([["pln",/^[\t\n\r \xa0]+/,null,"\t\n\r \u00a0"],["str",/^"(?:[^"\\]|\\[\S\s])*(?:"|$)/,null,'"'],["str",/^'(?:[^'\\]|\\[\S\s])*(?:'|$)/,null,"'"]],[["com",/^#.*/],["kwd",/^(?:if|else|for|while|repeat|in|next|break|return|switch|function)(?![\w.])/],["lit",/^0[Xx][\dA-Fa-f]+([Pp]\d+)?[Li]?/],["lit",/^[+-]?(\d+(\.\d+)?|\.\d+)([Ee][+-]?\d+)?[Li]?/],["lit",/^(?:NULL|NA(?:_(?:integer|real|complex|character)_)?|Inf|TRUE|FALSE|NaN|\.\.(?:\.|\d+))(?![\w.])/],
+["pun",/^(?:<<?-|->>?|-|==|<=|>=|<|>|&&?|!=|\|\|?|[!*+/^]|%.*?%|[$=@~]|:{1,3}|[(),;?[\]{}])/],["pln",/^(?:[A-Za-z]+[\w.]*|\.[^\W\d][\w.]*)(?![\w.])/],["str",/^`.+`/]]),["r","s","R","S","Splus"]);