text: var express = require('express');
  const router=express.Router();
  const productController=require( '../contollers/productController.js');
  router.post('/',productController.addProduct);
  router.post('/getProduct',productController.getProduct);
  router.post('/getAllProducts',productController.getAllProducts);
  router.post('/getProductsByPageNumber',productController.getProductsByPageNumber);
  module.exports=router;