public async Task <IActionResult> AddMemberAsync([FromBody] IEnumerable <NewProjectMember> newMember)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            var successful = await _projectService.AddMemberAsync(newMember);

            if (!successful)
            {
                return(BadRequest(new { error = "Could not add item." }));
            }

            return(Ok(successful));
        }