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-tcl.js

@@ -0,0 +1,3 @@
+var a=null;
+PR.registerLangHandler(PR.createSimpleLexer([["opn",/^{+/,a,"{"],["clo",/^}+/,a,"}"],["com",/^#[^\n\r]*/,a,"#"],["pln",/^[\t\n\r \xa0]+/,a,"\t\n\r \u00a0"],["str",/^"(?:[^"\\]|\\[\S\s])*(?:"|$)/,a,'"']],[["kwd",/^(?:after|append|apply|array|break|case|catch|continue|error|eval|exec|exit|expr|for|foreach|if|incr|info|proc|return|set|switch|trace|uplevel|upvar|while)\b/,a],["lit",/^[+-]?(?:[#0]x[\da-f]+|\d+\/\d+|(?:\.\d+|\d+(?:\.\d*)?)(?:[de][+-]?\d+)?)/i],["lit",
+/^'(?:-*(?:\w|\\[!-~])(?:[\w-]*|\\[!-~])[!=?]?)?/],["pln",/^-*(?:[_a-z]|\\[!-~])(?:[\w-]*|\\[!-~])[!=?]?/i],["pun",/^[^\w\t\n\r "'-);\\\xa0]+/]]),["tcl"]);