public async Task <ActionResult> PostAsync([FromBody, Required] ContactDto contactDto)
{
var contact = new Contact
{
FirstName = contactDto.FirstName,
LastName = contactDto.LastName,
DateOfBirth = DateTime.ParseExact(contactDto.DateOfBirth, "yyyy-MM-dd", CultureInfo.InvariantCulture)
};
await _aggregateStore.AddAsync(contact);
return(Created($"{Request.Scheme}://{Request.Host}/contacts/{contact.ID}", null));
}