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/fixtures/themes/assettest/assets/css/theme.css

@@ -0,0 +1,3 @@
+h1 {
+    color: red;
+}

modules/system/tests/fixtures/themes/assettest/assets/javascript/theme.js

@@ -0,0 +1 @@
+window.alert(`hello world`)

modules/system/tests/fixtures/themes/assettest/vite.config.mjs

@@ -0,0 +1,20 @@
+import { defineConfig } from 'vite';
+import laravel from 'laravel-vite-plugin';
+
+export default defineConfig({
+    plugins: [
+        laravel({
+            input: [
+                'assets/css/theme.css',
+                'assets/javascript/theme.js',
+            ],
+            refresh: {
+                paths: [
+                    './**/*.htm',
+                    'assets/**/*.css',
+                    'assets/**/*.js',
+                ]
+            },
+        })
+    ],
+});

modules/system/tests/fixtures/themes/assettest/winter.mix.js

@@ -0,0 +1,4 @@
+const mix = require('laravel-mix');
+mix.setPublicPath(__dirname);
+
+mix.js('assets/javascript/theme.js', 'dist/javascript/theme.js');