@@ -0,0 +1,421 @@
+const userController = require('../db/userController.js');%0A%0Amodule.exports = (app) =%3E %7B%0A  // Sign in and sign up routes%0A  app.post('/login', userController.login);%0A  app.post('/signup', userController.signup);%0A  app.get('/checkJWT/:JWT', userController.checkJWT);%0A%0A  // Change user information%0A  app.post('/changePassword', userController.changePassword);%0A  app.post('/changeUsername', userController.changeUsername);%0A%7D;%0A

Add API routing