add size screen

app/controllers/sizes.js

@@ -0,0 +1,30 @@
+const { currentRERequest } = require('../helpers/url');
+
+const sizes = [
+  { name: "do 50 m2", id: "50m2" },
+  { name: "do 75 m2", id: "70m2" },
+  { name: "do 100 m2", id: "100m2" },
+  { name: "do 150 m2", id: "150m2" },
+  { name: "do 200 m2", id: "200m2" },
+  { name: "preko 200 m2", id: "moreThan200m2" }
+];
+
+const getSize = (req,res) => {
+  const nextStep = req.query.nextStep;
+  res.render('size', {
+    nextStep,
+    sizes
+  });
+};
+
+const postSize = async (req, res) => {
+  const request = await currentRERequest(req);
+  request.size = req.body.size;
+  await request.save();
+  res.send("Result is " + JSON.stringify(request));
+};
+
+module.exports = {
+  getSize,
+  postSize
+};