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-erlang.js

@@ -0,0 +1,2 @@
+PR.registerLangHandler(PR.createSimpleLexer([["pln",/^[\t-\r ]+/,null,"\t\n\u000b\u000c\r "],["str",/^"(?:[^\n\f\r"\\]|\\[\S\s])*(?:"|$)/,null,'"'],["lit",/^[a-z]\w*/],["lit",/^'(?:[^\n\f\r'\\]|\\[^&])+'?/,null,"'"],["lit",/^\?[^\t\n ({]+/,null,"?"],["lit",/^(?:0o[0-7]+|0x[\da-f]+|\d+(?:\.\d+)?(?:e[+-]?\d+)?)/i,null,"0123456789"]],[["com",/^%[^\n]*/],["kwd",/^(?:module|attributes|do|let|in|letrec|apply|call|primop|case|of|end|when|fun|try|catch|receive|after|char|integer|float,atom,string,var)\b/],
+["kwd",/^-[_a-z]+/],["typ",/^[A-Z_]\w*/],["pun",/^[,.;]/]]),["erlang","erl"]);