feat(widgets): friend-links bookmarks source, hot thumbs, cover video

Deepen existing widgets toward zibll: WP bookmarks source for friend
links, optional hot-post thumbnails, and video backgrounds on cover
cards.

src/AKSRT/Widgets/WidgetCoverCards.php

@@ -35,6 +35,7 @@ class WidgetCoverCards extends \WP_Widget {
 
         foreach ($items as $item) {
             $image = esc_url($item['image'] ?? '');
+            $video = esc_url($item['video'] ?? '');
             $link = esc_url($item['link'] ?? '');
             $card_title = sanitize_text_field($item['title'] ?? '');
             $desc = sanitize_text_field($item['desc'] ?? '');
@@ -53,7 +54,11 @@ class WidgetCoverCards extends \WP_Widget {
 
             echo '<div class="aksrt-cover-card"' . ($card_style ? ' style="' . esc_attr($card_style) . '"' : '') . '>';
 
-            if ($image) {
+            if ($video) {
+                echo '<div class="aksrt-cover-card__bg is-video">';
+                echo '<video src="' . esc_url($video) . '" muted loop autoplay playsinline></video>';
+                echo '</div>';
+            } elseif ($image) {
                 echo '<div class="aksrt-cover-card__bg">';
                 echo '<img src="' . esc_url($image) . '" alt="' . esc_attr($card_title) . '"' . (function_exists('aksrt_lazy_loading') ? aksrt_lazy_loading('widget') : ' loading="lazy"') . '>';
                 echo '</div>';