Updated README.md

Author: 45kb

README.md

@@ -37,13 +37,18 @@ To use the directive, include the Angular Datepicker's javascript and css files
 </html>
 ```
 
-##Install
+##Installation
 
-###Bower installation
+###Bower
 
 ```
 $ bower install angularjs-datepicker --save
 ```
+###Npm
+
+```
+$ npm install angularjs-datepicker --save
+```
 
 _then load the js files in your html_