public async Task <Guid> AddPointsList([FromBody] List <Point> points)
        {
            List <Models.Point> modelPoints = points.Select(Map).ToList();
            Guid listId = await _pointsService.AddNewList(modelPoints).ConfigureAwait(false);

            _squaresService.CalculateSquares(modelPoints, listId).ConfigureAwait(false);

            return(listId);
        }