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/partials/_settings_menu.php

@@ -0,0 +1,4 @@
+<?php
+    $systemItems = System\Classes\SettingsManager::instance()->listItems('system');
+?>
+<?= $this->makePartial('~/modules/system/partials/_settings_menu_items.php', ['items' => $systemItems]); ?>

modules/system/partials/_settings_menu_items.php

@@ -0,0 +1,33 @@
+<?php
+$context = System\Classes\SettingsManager::instance()->getContext();
+
+$collapsedGroups = explode(
+    '|',
+    isset($_COOKIE['sidenav_treegroupStatus']) ? $_COOKIE['sidenav_treegroupStatus'] : null
+);
+?>
+
+<ul class="top-level">
+    <?php foreach ($items as $category => $items):
+        $collapsed = in_array($category, $collapsedGroups);
+        ?>
+
+        <li data-group-code="<?= e($category) ?>" <?= $collapsed ? 'data-status="collapsed"' : null ?>>
+            <div class="group">
+                <h3><?= e(trans($category)) ?></h3>
+            </div>
+
+            <ul <?= $collapsed ? 'style="overflow: visible; height: 0px; display: none;"' : null ?>>
+                <?php foreach ($items as $item): ?>
+                    <li class="<?= strtolower($item->owner) == $context->owner && strtolower($item->code) == $context->itemCode ? 'active' : false ?>" data-keywords="<?= e(trans($item->keywords)) ?>">
+                        <a href="<?= $item->url ?>" ontouchstart="">
+                            <i class="<?= $item->icon ?>"></i>
+                            <span class="header"><?= e(trans($item->label)) ?></span>
+                            <span class="description"><?= e(trans($item->description)) ?></span>
+                        </a>
+                    </li>
+                <?php endforeach ?>
+            </ul>
+        </li>
+    <?php endforeach ?>
+</ul>

modules/system/partials/_settings_menu_toolbar.php

@@ -0,0 +1,14 @@
+<div class="layout control-toolbar">
+    <div class="layout-cell">
+        <div class="relative toolbar-item loading-indicator-container size-input-text">
+            <input placeholder="<?= e(trans('system::lang.settings.search')) ?>" type="text" name="search" value="" 
+                class="form-control icon search"
+                id="settings-search-input"
+                autocomplete="off"
+                data-track-input
+                data-load-indicator
+                data-load-indicator-opaque
+            />
+        </div>
+    </div>
+</div>

modules/system/partials/_system_sidebar.php

@@ -0,0 +1,23 @@
+<div class="layout-cell sidenav-tree bg-p" data-control="sidenav-tree" data-search-input="#settings-search-input">
+    <a class="back-link" href="<?= Backend::url('system/settings') ?>"><i class="icon-angle-left"></i><?= e(trans('system::lang.settings.menu_label')) ?></a>
+
+    <div class="layout">
+        <div class="layout-row min-size">
+            <?= $this->makePartial('~/modules/system/partials/_settings_menu_toolbar.php') ?>
+        </div>
+
+        <div class="layout-row">
+            <div class="layout-cell">
+                <div class="layout-relative">
+
+                    <div class="layout-absolute">
+                        <div class="control-scrollbar" data-control="scrollbar">
+                            <?= $this->makePartial('~/modules/system/partials/_settings_menu.php') ?>
+                        </div>
+                    </div>
+
+                </div>
+            </div>
+        </div>
+    </div>
+</div>