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/tests/traits/viewmakerstub/_can_override_php_with_htm.php

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+original

modules/system/tests/traits/viewmakerstub/_overridden.php

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+original

modules/system/tests/traits/viewmakerstub/_relative_no_ext.php

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+relative no ext

modules/system/tests/traits/viewmakerstub/folder/_no_ext.php

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+folder no ext

modules/system/tests/traits/viewmakerstub/layouts/_layout_partial.php

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+layout partial contents

modules/system/tests/traits/viewmakerstub/layouts/default.php

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+layout contents-<?= Block::get('body'); ?>

modules/system/tests/traits/viewmakerstub/specific.php

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+explicit htm path, but actually php

modules/system/tests/traits/viewmakerstub/symbols.php

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+symbols content

modules/system/tests/traits/viewmakerstub/view.php

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+view contents