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/backend/views/mail/restore.php

@@ -0,0 +1,13 @@
+subject = "Password Reset"
+layout = "system"
+description = "Reset an admin password"
+==
+Hello {{ name }}
+
+Somebody has requested a password reset for your account, if this was not you, please ignore this email.
+
+You can use the following link to restore your password:
+
+{% partial 'button' url=link type='positive' body %}
+Restore password
+{% endpartial %}