public IActionResult Post(int boardId, string name)
        {
            var state = new IssueState
            {
                Name    = name,
                BoardId = boardId
            };

            _context.IssueStates.Add(state);
            _context.SaveChanges();

            _connectionManager.BroadcastAddState(Result.ToModel(state));

            return(Result.Created(state));
        }