Add queue worker

References #328

web/modules/custom/blog/src/Plugin/QueueWorker/PostPusherQueueWorker.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opdavies_blog\Plugin\QueueWorker;
+
+use Drupal\Core\Queue\QueueWorkerBase;
+
+/**
+ * @QueueWorker(
+ *   id = "opdavies_blog_push_post_to_social_media",
+ *   title = "Push a blog post to social media",
+ *   cron = {"time": 30}
+ * )
+ */
+final class PostPusherQueueWorker extends QueueWorkerBase {
+
+  public function processItem($data): void {
+  }
+
+}