public async Task <IActionResult> deleteVehicle(int id)
        {
            var vehicleRepo = await _repo.getVehicleWithId(id);

            _repo.Delete <Vehicle>(vehicleRepo);
            return(Ok(await _repo.SaveAll()));
        }
        public async Task deletePlaza(int id)
        {
            var plazaRepo = await _repo.GetPlaza(id);

            _repo.Delete <Plaza>(plazaRepo);
            await _repo.SaveAll();
        }