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-lua.js

@@ -0,0 +1,2 @@
+PR.registerLangHandler(PR.createSimpleLexer([["pln",/^[\t\n\r \xa0]+/,null,"\t\n\r \u00a0"],["str",/^(?:"(?:[^"\\]|\\[\S\s])*(?:"|$)|'(?:[^'\\]|\\[\S\s])*(?:'|$))/,null,"\"'"]],[["com",/^--(?:\[(=*)\[[\S\s]*?(?:]\1]|$)|[^\n\r]*)/],["str",/^\[(=*)\[[\S\s]*?(?:]\1]|$)/],["kwd",/^(?:and|break|do|else|elseif|end|false|for|function|if|in|local|nil|not|or|repeat|return|then|true|until|while)\b/,null],["lit",/^[+-]?(?:0x[\da-f]+|(?:\.\d+|\d+(?:\.\d*)?)(?:e[+-]?\d+)?)/i],
+["pln",/^[_a-z]\w*/i],["pun",/^[^\w\t\n\r \xa0][^\w\t\n\r "'+=\xa0-]*/]]),["lua"]);