old_contents: var jsonServer = require('json-server');
  var server = jsonServer.create();
  var router = jsonServer.router({
    "users": []
  });
  var middlewares = jsonServer.defaults({
    static: __dirname + '/dist'
  });
  
  // set the port of our application
  // process.env.PORT lets the port be set by Heroku
  var port = process.env.PORT || 8080;
  
  server.use(middlewares);
  server.use("/api", router);
  
  // set the home page route
  server.get('/*', function (req, res) {
    res.sendFile(__dirname + '/dist/index.html');
  });
  
  server.listen(port, function () {
    console.log('App is running on http://localhost:' + port);
  });
  
new_contents: var jsonServer = require('json-server');
  var server = jsonServer.create();
  var router = jsonServer.router({
    "users": [
      {
        "id": 1,
        "image": "../../assets/img/a2.jpg",
        "position": "Graphics designer",
        "name": "John Smith",
        "company_adress": "Riviera State 32/106",
        "company": "Twitter, Inc.",
        "phone": "(123) 456-7890",
        "adress": {
          "home_number": 795,
          "street": "Folsom Ave",
          "apartment": "Suite 600",
          "city": "San Francisco",
          "code": "CA 94107"
        }
      }
    ]
  });
  var middlewares = jsonServer.defaults({
    static: __dirname + '/dist'
  });
  
  // set the port of our application
  // process.env.PORT lets the port be set by Heroku
  var port = process.env.PORT || 8080;
  
  server.use(middlewares);
  server.use("/api", router);
  
  // set the home page route
  server.get('/*', function (req, res) {
    res.sendFile(__dirname + '/dist/index.html');
  });
  
  server.listen(port, function () {
    console.log('App is running on http://localhost:' + port);
  });
  
subject: fix add user in server.js