readme now with markdown headers

README.md

@@ -55,13 +55,13 @@ Look at hello.html (which uses dist/bundle.js).
 
 Eventually you can set the mode option to "production" to make the output smaller (takes more time though to build it and debugging might be harder when there are bugs).
 
-``
+```javascript
   entry: './src/hello.js',
   mode: 'production',
 ```
 Also if you want to do it like other projects, you can add your "build command" to the package.json like this:
 
-```
+```javascript
 ...
   "main": "webpack.config.js",
   "scripts": {