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/widgets/mediamanager/partials/_item-icon.php

@@ -0,0 +1,45 @@
+<div class="icon-container <?= $itemType ?>">
+    <div class="icon-wrapper">
+        <?php
+            $itemIconClass = $this->itemTypeToIconClass($item, $itemType);
+            $extension = substr(strtolower(pathinfo($item->path, PATHINFO_EXTENSION)), 0, 4) ?? '???';
+
+        if ($itemIconClass == 'icon-file'): ?>
+            <svg class="file-icon" viewBox="0 0 250 250" xml:space="preserve">
+                <path d="M62.5,0c-8.594,0 -15.625,7.031 -15.625,15.625l0,218.75c0,8.594 7.031,15.625 15.625,15.625l156.25,0c8.594,0 15.625,-7.031 15.625,-15.625l0,-171.875l-62.5,-62.5l-109.375,0Z" style="fill:#e2e5e7;fill-rule:nonzero;"/>
+                <path d="M187.5,62.5l46.875,0l-62.5,-62.5l0,46.875c0,8.594 7.031,15.625 15.625,15.625Z" style="fill:#b0b7bd;fill-rule:nonzero;"/>
+                <path d="M234.375,109.375l-46.875,-46.875l46.875,0l0,46.875Z" style="fill:#cad1d8;fill-rule:nonzero;"/>
+                <path d="M195.313,210.938l-148.438,-0.001l0,7.813l148.438,0c4.296,0 7.812,-3.516 7.812,-7.813l-0,-7.812c-0,4.297 -3.516,7.813 -7.813,7.813Z" style="fill:#cad1d8;fill-rule:nonzero;"/>
+                <!-- Colour label -->
+                <path class="file-icon-label file-icon-<?= $extension ?>" d="M203.125,203.125c0,4.297 -3.516,7.813 -7.813,7.813l-171.875,-0c-4.296,-0 -7.812,-3.516 -7.812,-7.813l-0,-78.125c-0,-4.297 3.516,-7.813 7.812,-7.813l171.875,0.001c4.297,-0.001 7.813,3.515 7.813,7.812l0,78.125Z"/>
+                <!-- Extension text node -->
+                <text class="file-icon-extension" x="43%" y="170px" dominant-baseline="middle" text-anchor="middle"><?= strtoupper($extension) ?></text>
+            </svg>
+        <?php else :?>
+            <i class="<?= $itemIconClass ?>"></i>
+        <?php endif ?>
+    </div>
+    <?php if (
+        $itemType == System\Classes\MediaLibraryItem::FILE_TYPE_IMAGE
+        && $thumbnailUrl = $this->getResizedImageUrl($item->path, $thumbnailParams)
+    ): ?>
+        <div>
+            <?php if (!$thumbnailUrl): ?>
+                <div
+                    class="image-placeholder"
+                    data-width="<?= $thumbnailParams['width'] ?>"
+                    data-height="<?= $thumbnailParams['height'] ?>"
+                    data-path="<?= e($item->path) ?>"
+                    data-last-modified="<?= $item->lastModified ?>"
+                    id="<?= $this->getPlaceholderId($item) ?>"
+                >
+                    <div class="icon-wrapper"><i class="<?= $this->itemTypeToIconClass($item, $itemType) ?>"></i></div>
+                </div>
+            <?php else: ?>
+                <?= $this->makePartial('thumbnail-image', [
+                    'imageUrl' => $thumbnailUrl,
+                ]) ?>
+            <?php endif ?>
+        </div>
+    <?php endif ?>
+</div>