public void Update(BlubModel bm)
        {
            var toEdit = _blub.FirstOrDefault(a => a.Id == bm.Id);

            _blub[_blub.IndexOf(toEdit)] = bm;
        }
 public void Delete(BlubModel bm)
 {
     throw new NotImplementedException();
 }
 public void Insert(BlubModel bm)
 {
     _blub.Add(bm);
 }