change controller file name to plural

app/controllers/cities.js

@@ -0,0 +1,26 @@
+const  { currentRERequest } = require('../helpers/url');
+const { regions } = require('../helpers/codes');
+
+const cities = regions();
+
+
+const getCity = (req,res) => {
+  const nextStep = req.query.nextStep || '/';
+  res.render('city', {
+         nextStep,
+         cities
+  });
+}
+
+const postCity = async (req, res) => {
+  const request = await currentRERequest(req);
+  const nextStep = req.query.nextStep || `/mjesto/${request.uniqueId}`;
+  request.city = req.body.city;
+  await request.save();
+  res.redirect(nextStep)
+}
+
+module.exports = {
+  getCity,
+  postCity
+};