public IActionResult PostApplicantToHired([FromBody] ApplicantsDto hiredApplicant)
        {
            ApplicantsDto applicantHired = myData.AddNewHiredApplicant(hiredApplicant);

            if (ModelState.IsValid)
            {
                ApplicantsDto.writeToFile(hiredApplicant);
                return(CreatedAtAction(nameof(GetApplicantById), new { id = applicantHired.Id }, applicantHired));
            }
            else
            {
                return(BadRequest(ModelState));
            }
        }