add deleted shortcut method to notification builder

src/Prime/Notification/NotificationBuilder.php

@@ -434,6 +434,14 @@ class NotificationBuilder implements NotificationBuilderInterface
         return $this->operation('saved', $resource);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function deleted($resource = null)
+    {
+        return $this->operation('deleted', $resource);
+    }
+
     /**
      * {@inheritdoc}
      */

src/Prime/Notification/NotificationBuilderInterface.php

@@ -249,6 +249,13 @@ interface NotificationBuilderInterface
      */
     public function saved($resource = null);
 
+    /**
+     * @param object|string|null $resource
+     *
+     * @return static
+     */
+    public function deleted($resource = null);
+
     /**
      * @param StampInterface[] $stamps
      *