refactor(naming): harmonize controller and route file names

- Delete product.controller.js, merge unique functions into products.controller.js
- Rename user.controller.js → users.controller.js, user.routes.js → users.routes.js
- Remove dead herowars/herowars.routes.js reference from herowars index
- Update all import paths accordingly

src/routes/api/herowars/herowars.routes.js

@@ -1,13 +0,0 @@
-const express = require('express');
-const { createMember, getAllMembers, getMember, updateMember } = require('../../../controllers/herowars.controller');
-const auth = require('../../../middlewares/auth');
-
-const herowarsRouter = express.Router();
-
-herowarsRouter.param('member', getMember);
-herowarsRouter.get('/:member', auth.required, getMember);
-herowarsRouter.get('/', auth.required, getAllMembers);
-herowarsRouter.post('/', auth.required, createMember);
-herowarsRouter.put('/', auth.required, updateMember);
-
-module.exports = herowarsRouter;

src/routes/api/herowars/index.js

@@ -2,7 +2,6 @@ var routes = require('express').Router();
 
 routes.use('/clans', require('./clans.routes'));
 routes.use('/members', require('./members.routes'));
-routes.use('/herowars', require('./herowars.routes'));
 
 routes.use(function (err, req, res, next) {
     if (err.name === 'ValidationError') {