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

composer.json

@@ -0,0 +1,92 @@
+{
+    "name": "wintercms/winter",
+    "description": "Free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. Originally known as October CMS.",
+    "homepage": "https://wintercms.com",
+    "type": "project",
+    "keywords": ["winter", "cms", "wintercms", "laravel", "cmf"],
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Alexey Bobkov",
+            "email": "aleksey.bobkov@gmail.com",
+            "role": "Original Author"
+        },
+        {
+            "name": "Samuel Georges",
+            "email": "daftspunky@gmail.com",
+            "role": "Original Author"
+        },
+        {
+            "name": "Luke Towers",
+            "email": "wintercms@luketowers.ca",
+            "role": "Lead Maintainer"
+        }
+    ],
+    "support": {
+        "issues": "https://github.com/wintercms/winter/issues",
+        "docs": "https://wintercms.com/docs/",
+        "discord": "https://discord.gg/D5MFSPH6Ux",
+        "source": "https://github.com/wintercms/winter"
+    },
+    "require": {
+        "php": ">=8.1",
+        "winter/storm": "~1.2.0",
+        "winter/wn-system-module": "~1.2.0",
+        "winter/wn-backend-module": "~1.2.0",
+        "winter/wn-cms-module": "~1.2.0",
+        "laravel/framework": "^9.1",
+        "wikimedia/composer-merge-plugin": "~2.1.0",
+        "winter/wn-pages-plugin": "~1.2.0",
+        "winter/wn-blog-plugin": "~1.2.0",
+        "winter/wn-sitemap-plugin": "~1.2.0",
+        "winter/wn-seo-plugin": "~1.2.0"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^9.5.8",
+        "mockery/mockery": "^1.4.4",
+        "fakerphp/faker": "^1.9.2",
+        "squizlabs/php_codesniffer": "^3.2",
+        "php-parallel-lint/php-parallel-lint": "^1.0",
+        "dms/phpunit-arraysubset-asserts": "^0.1.0|^0.2.1"
+    },
+    "scripts": {
+        "post-create-project-cmd": [
+            "@php artisan winter:install",
+            "@php artisan winter:env",
+            "@php artisan winter:mirror public --relative"
+        ],
+        "post-update-cmd": [
+            "@php artisan winter:version",
+            "@php artisan package:discover"
+        ],
+        "test": [
+            "phpunit --stop-on-failure"
+        ],
+        "lint": [
+            "parallel-lint --exclude vendor --exclude storage --exclude modules/system/tests/fixtures/plugins/testvendor/goto/Plugin.php ."
+        ],
+        "sniff": [
+            "phpcs --colors -nq --report=\"full\" --extensions=\"php\""
+        ]
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "extra": {
+        "merge-plugin": {
+            "include": [
+                "plugins/myauthor/*/composer.json",
+                "plugins/vivespos/*/composer.json"
+            ],
+            "recurse": true,
+            "replace": false,
+            "merge-replace": false,
+            "merge-dev": false
+        }
+    },
+    "config": {
+        "allow-plugins": {
+            "composer/installers": true,
+            "wikimedia/composer-merge-plugin": true
+        }
+    }
+}