template engine description

Author: mightyaleksey

demo/readme.md

@@ -21,15 +21,17 @@ Open <a href="http://localhost:3000/" target="_blank">http://localhost:3000/</a>
 
 In short [CSS Modules](https://github.com/css-modules/css-modules) provide modularity with generated class names. Therefore, generated names should be present in CSS styles and in templates which form resulting html. Since, we talk about server rendering in the current example I'll show you how to set require hook to generate the same names in runtime as the CSS styles.
 
+
 ### Frontend
 
 The modern frontend is so tough that you have to use particular bundler systems in order to generate a simple CSS file. My favourite one is [webpack](https://webpack.github.io/), so I'll show you how to set it with the require hook.
 
+
 ### Backend
 
 I use [express](http://expressjs.com/) to handle user requests and [react](https://facebook.github.io/react/) components to serve html for them. In order to make it independent and good looking I decided to use a custom [template engine](http://expressjs.com/en/advanced/developing-template-engines.html) to isolate all the rendering stuff and to have neat calls in the middlewares. So, here is my structure:
 
-- **app/**
+- *app/*
   - `view-engine.js`
   - `worker.js`
 
@@ -49,3 +51,13 @@ and declares basic middlewares:
 ```javascript
 app.get('/', (req, res) => res.render('Page'));
 ```
+
+#### `view-engine.js`
+
+Describes the simple [template engine](http://expressjs.com/en/advanced/developing-template-engines.html) and attaches require hook:
+
+```javascript
+// teaches node.js to load css files
+// uses external config cmrh.conf.js
+require('css-modules-require-hook/preset');
+```