public async Task <IActionResult> CreateAsync(Guid id, [FromBody] OrganizationSetupDto input)
{
// Map.
var user = new User {
Email = input.Email
};
// Act.
var passwordHash = _passwordHasher.HashPassword(input.Password);
await _organizationRepository.AddFromProposalAsync(id, user.Email, passwordHash);
// Return.
return(NoContent());
}