fix adding a user

src/app/services/storage/storage.service.ts

@@ -59,6 +59,7 @@ export class StorageService {
   }
   public async addReaderUser(user: readerUser): Promise<void | undefined> {
     const users = await this.getReaderUsers();
+    users.push(user);
     return this.set('readerUsers', users);
   }