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/.eslintignore

@@ -0,0 +1,17 @@
+# Ignore build files
+**/node_modules/**
+build/*.js
+**/build/*.js
+**/mix.webpack.js
+
+# Ignore all JS except for Mix-based assets
+assets/js
+assets/vendor
+behaviors/**/*.js
+controllers/**/*.js
+formwidgets/**/*.js
+reportwidgets/**/*.js
+widgets/**/*.js
+
+# Ignore test fixtures
+tests