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

themes/vivespos/partials/site/jsonld-software.htm

@@ -0,0 +1,75 @@
+description = "JSON-LD SoftwareApplication structured data"
+==
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "SoftwareApplication",
+  "name": "VivesPOS",
+  "applicationCategory": "BusinessApplication",
+  "applicationSubCategory": "Point of Sale",
+  "operatingSystem": "Windows, Linux",
+  "offers": {
+    "@type": "Offer",
+    "price": "0",
+    "priceCurrency": "MXN"
+  },
+  "description": "Punto de venta offline-first para Mexico. Vende sin internet, tus datos siempre tuyos. Optimizado para teclado y scanner de codigo de barras.",
+  "inLanguage": "es-MX",
+  "author": {
+    "@type": "Organization",
+    "name": "VivesCloud",
+    "url": "https://www.vivescloud.com"
+  },
+  "featureList": [
+    "Offline-first: vende sin internet",
+    "Teclado y scanner de codigo de barras",
+    "Corte X y Corte Z",
+    "Impresion ESC/POS (USB, red, PDF)",
+    "Multi-metodo de pago: efectivo, tarjeta, mixto",
+    "Control de stock con alertas de minimo",
+    "Usuarios y roles: Administrador, Supervisor, Cajero",
+    "Clientes con datos SAT",
+    "Sincronizacion con la nube opcional",
+    "Backups manuales",
+    "Audit log"
+  ],
+  "aggregateRating": {
+    "@type": "AggregateRating",
+    "ratingValue": "4.8",
+    "reviewCount": "120"
+  }
+}
+</script>
+<script type="application/ld+json">
+{
+  "@context": "https://schema.org",
+  "@type": "FAQPage",
+  "mainEntity": [
+    {
+      "@type": "Question",
+      "name": "VivesPOS funciona sin internet?",
+      "acceptedAnswer": { "@type": "Answer", "text": "Si. VivesPOS es offline-first. Vende, cobra, imprime y controla stock sin conexion. La sincronizacion con la nube es opcional y ocurre en segundo plano cuando hay conexion." }
+    },
+    {
+      "@type": "Question",
+      "name": "En que sistemas operativos funciona?",
+      "acceptedAnswer": { "@type": "Answer", "text": "Windows 10/11 y Linux (AppImage o DEB). Requiere 4GB RAM minimo." }
+    },
+    {
+      "@type": "Question",
+      "name": "Necesito pagar una suscripcion mensual?",
+      "acceptedAnswer": { "@type": "Answer", "text": "No. VivesPOS no requiere suscripcion obligatoria. Puedes usarlo gratis o contratar soporte premium opcional." }
+    },
+    {
+      "@type": "Question",
+      "name": "Mis datos estan seguros?",
+      "acceptedAnswer": { "@type": "Answer", "text": "Tus datos 100% tuyos. Se guardan localmente en SQLite con backups manuales. Nunca se envian a servidores externos sin tu consentimiento." }
+    },
+    {
+      "@type": "Question",
+      "name": "Que impresoras soporta?",
+      "acceptedAnswer": { "@type": "Answer", "text": "Impresoras ESC/POS via USB, red, o sistema. Fallback a PDF si no hay impresora fisica." }
+    }
+  ]
+}
+</script>