public async Task <GetCustomerResponseDto> GetCustomer([FromBody] GetCustomerRequestDto payload)
 {
     return(await _mediator.Send(payload));
 }
 public async Task <GetCustomerResponseDto> CreateProduct([FromBody] GetCustomerRequestDto payload)
 {
     return(await _mediator.Send <GetCustomerRequestDto, GetCustomerResponseDto>(payload));
 }