Add syntax highlighting to code samples in README (#51)

diff --git a/README.md b/README.md
index 160eceb..212f619 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@
 #
 -->
 
-[![Build status](https://ci.appveyor.com/api/projects/status/a00hk739gm700dk4?svg=true)](https://ci.appveyor.com/project/Humbedooh/cordova-create) 
+[![Build status](https://ci.appveyor.com/api/projects/status/a00hk739gm700dk4?svg=true)](https://ci.appveyor.com/project/Humbedooh/cordova-create)
 [![Build Status](https://travis-ci.org/apache/cordova-create.svg?branch=master)](https://travis-ci.org/apache/cordova-create)
 
 # cordova-create
@@ -28,9 +28,8 @@
 
 ## Usage:
 
-```
+```js
 const create = require('cordova-create');
-
 await create(dest, opts);
 ```
 
@@ -42,7 +41,7 @@
 #### `opts`
 _Optional_. Supports following properties.
 
-```
+```js
 {
     // Attributes to be set in package.json & config.xml
     id: String,