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

.devcontainer/local-features/bootstrap-winter/codespaces.php

@@ -0,0 +1,25 @@
+<?php
+
+$root = dirname(__DIR__, 3);
+
+require_once $root . '/vendor/autoload.php';
+
+use Winter\LaravelConfigWriter\ArrayFile;
+use Winter\LaravelConfigWriter\EnvFile;
+
+$config = ArrayFile::open($root . '/config/app.php');
+
+$config->set('trustedHosts', [
+    'localhost',
+    '^(.+\.)?app.github.dev',
+]);
+$config->set('trustedProxies', '*');
+
+$config->write();
+
+$env = EnvFile::open($root . '/.env');
+
+$env->set('APP_URL', 'https://' . $_ENV['CODESPACE_NAME'] . '.app.github.dev');
+$env->set('LINK_POLICY', 'force');
+
+$env->write();