"npm start" to run the server
Cart Database Model -> Database -> shopmodels -> cart.js Cart routes -> Routes -> shop routes -> cart.js
User database model -> Database -> User.js
routes(signin and register new) -> routes -> auth.js (JWT implemented)
routes(change password) -> routes -> user
To test JWT(POSTMAN) : in postman even if you signin but not provide token then on (http://localhost:5000/api/cart/) you will get token not valid error , you can test it on postman