bu skeilde routelara ayrilabilir
// 3) ROUTES
const tourRouter = express.Router();
const userRouter = express.Router();
tourRouter.route("/").get(getAllTours).post(createTour);
tourRouter.route("/:id").get(getTour).patch(updateTour).delete(deleteTour);
userRouter.route("/").get(getAllUsers).post(createUser);
userRouter.route("/:id").get(getUser).patch(updateUser).delete(deleteUser);
app.use(`${API_PREFIX}tours`, tourRouter);
app.use(`${API_PREFIX}users`, userRouter);