feat: notifications for media_available and media_approved

server/lib/notifications/index.ts

@@ -2,7 +2,9 @@ import logger from '../../logger';
 import type { NotificationAgent, NotificationPayload } from './agents/agent';
 
 export enum Notification {
-  MEDIA_ADDED = 2,
+  MEDIA_PENDING = 2,
+  MEDIA_APPROVED = 4,
+  MEDIA_AVAILABLE = 8,
 }
 
 class NotificationManager {