public async Task UpdateAsync(BrainstormSession session)
        {
            var index = list.FindIndex(s => s.ID == session.ID);

            if (index > -1)
            {
                var tempSession = list[index];
                tempSession.Name = session.Name;
            }
            await Task.Delay(200);
        }
 public async Task AddAsync(BrainstormSession session)
 {
     list.Add(session);
     await Task.Delay(500);
 }