API for apps to register for push notifications

app/workers/push_notification_worker.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class PushNotificationWorker
+  include Sidekiq::Worker
+
+  def perform(notification_id)
+    SendPushNotificationService.new.call(Notification.find(notification_id))
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+end