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/npm/package-test.json

@@ -0,0 +1,24 @@
+{
+    "workspaces": {
+        "packages": [
+            "plugins/winter/demo",
+            "themes/demo"
+        ],
+        "ignoredPackages": [
+            "modules/backend",
+            "modules/system"
+        ]
+    },
+    "dependencies": {
+        "example": "^2.0.1",
+        "test": "^1.0.0"
+    },
+    "devDependencies": {
+        "test-dev": "^3.0.2"
+    },
+    "scripts": {
+        "test": "testing",
+        "example": "example test",
+        "foo": "bar ./test"
+    }
+}