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/backend/console/scaffold/controller/config_list.stub

@@ -0,0 +1,50 @@
+# ===================================
+#  List Behavior Config
+# ===================================
+
+# Model List Column configuration
+list: $/{{ plugin_folder }}/models/{{ lower_model }}/columns.yaml
+
+# Model Class name
+modelClass: {{ plugin_namespace }}\Models\{{ studly_model }}
+
+# List Title
+title: '{{ model_lang_key }}.label_plural'
+
+# Link URL for each record
+recordUrl: {{ controller_url }}/update/:id
+
+# Message to display if the list is empty
+noRecordsMessage: backend::lang.list.no_records
+
+# Records to display per page
+recordsPerPage: 20
+
+# Options to provide the user when selecting how many records to display per page
+perPageOptions: [20, 40, 80, 100, 120]
+
+# Display page numbers with pagination, disable to improve performance
+showPageNumbers: true
+
+# Displays the list column set up button
+showSetup: true
+
+# Displays the sorting link on each column
+showSorting: true
+
+# Default sorting column
+# defaultSort:
+#     column: created_at
+#     direction: desc
+
+# Display checkboxes next to each record
+showCheckboxes: true
+
+# Toolbar widget configuration
+toolbar:
+    # Partial for toolbar buttons
+    buttons: list_toolbar
+
+    # Search widget configuration
+    search:
+        prompt: backend::lang.list.search_prompt