public async Task <ActionResult <MortgageProposal> > PostMortgageProposal(MortgageRequirementDto requirementDto)
{
var requirement = _mapper.Map <MortgageRequirement>(requirementDto);
var proposal = await _mortgageService.CreateProposal(requirement);
var proposalDto = _mapper.Map <MortgageProposalDto>(proposal);
return(CreatedAtAction("PostMortgageProposal", new { id = proposal.Id }, proposalDto));
}