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/standard/create.stub

@@ -0,0 +1,21 @@
+<?php Block::put('breadcrumb') ?>
+    <?= $this->makeLayoutPartial('breadcrumb') ?>
+<?php Block::endPut() ?>
+
+<?php if (!$this->fatalError): ?>
+    <?= Form::open([
+        'id' => $this->formGetId(),
+        'class' => 'layout'],
+    ) ?>
+        <div class="layout-row">
+            <?= $this->formRender() ?>
+        </div>
+
+        <div class="form-buttons">
+            <?= $this->formMakePartial('toolbar') ?>
+        </div>
+    <?= Form::close() ?>
+<?php else: ?>
+    <p class="flash-message static error"><?= e($this->fatalError) ?></p>
+    <p><a href="<?= Backend::url('{{ controller_url }}') ?>" class="btn btn-default"><?= e(trans('backend::lang.form.return_to_list')); ?></a></p>
+<?php endif ?>

modules/backend/console/scaffold/controller/standard/preview.stub

@@ -0,0 +1,16 @@
+<?php Block::put('breadcrumb') ?>
+    <?= $this->makeLayoutPartial('breadcrumb') ?>
+<?php Block::endPut() ?>
+
+<?php if (!$this->fatalError): ?>
+
+    <div class="form-preview">
+        <?= $this->formRenderPreview() ?>
+    </div>
+
+<?php else: ?>
+
+    <p class="flash-message static error"><?= e($this->fatalError) ?></p>
+    <p><a href="<?= Backend::url('{{ controller_url }}') ?>" class="btn btn-default"><?= e(trans('backend::lang.form.return_to_list')); ?></a></p>
+
+<?php endif ?>

modules/backend/console/scaffold/controller/standard/update.stub

@@ -0,0 +1,20 @@
+<?php Block::put('breadcrumb') ?>
+    <?= $this->makeLayoutPartial('breadcrumb') ?>
+<?php Block::endPut() ?>
+
+<?php if (!$this->fatalError): ?>
+    <?= Form::open([
+        'id' => $this->formGetId(),
+        'class' => 'layout',
+    ]) ?>
+        <div class="layout-row">
+            <?= $this->formRender() ?>
+        </div>
+        <div class="form-buttons">
+            <?= $this->formMakePartial('toolbar') ?>
+        </div>
+    <?= Form::close() ?>
+<?php else: ?>
+    <p class="flash-message static error"><?= e($this->fatalError) ?></p>
+    <p><a href="<?= Backend::url('{{ controller_url }}') ?>" class="btn btn-default"><?= e(trans('backend::lang.form.return_to_list')); ?></a></p>
+<?php endif ?>