text: //importing express router 
  const router = require("express").Router();
  
  //setting up router use variables 
  const userRoutes = require("./user-routes");
  const postRoutes = require("./post-routes");
  const commentRoutes = require("./comment-routes");
  
  //setting up routes 
  router.use("/users", userRoutes);
  router.use("/posts", postRoutes);
  router.use("/comments", commentRoutes);
  
  //exporting router
  module.exports = router;