Adding doc

Author: jung-kim

Readme.md

@@ -1,7 +1,7 @@
 NProgress
 =========
 
-[![Status](https://api.travis-ci.org/rstacruz/nprogress.svg?branch=master)](http://travis-ci.org/rstacruz/nprogress) 
+[![Status](https://api.travis-ci.org/rstacruz/nprogress.svg?branch=master)](http://travis-ci.org/rstacruz/nprogress)
 [![npm version](https://img.shields.io/npm/v/nprogress.png)](https://npmjs.org/package/nprogress "View this project on npm")
 [![jsDelivr Hits](https://data.jsdelivr.com/v1/package/npm/nprogress/badge?style=rounded)](https://www.jsdelivr.com/package/npm/nprogress)
 
@@ -44,7 +44,7 @@ NProgress.done();
 ~~~
 
 ### Turbolinks (version 5+)
-Ensure you're using Turbolinks 5+, and use 
+Ensure you're using Turbolinks 5+, and use
 this: (explained [here](https://github.com/rstacruz/nprogress/issues/8#issuecomment-239107109))
 
 ~~~ js
@@ -58,7 +58,7 @@ $(document).on('turbolinks:render', function() {
 ~~~
 
 ### Turbolinks (version 3 and below)
-Ensure you're using Turbolinks 1.3.0+, and use 
+Ensure you're using Turbolinks 1.3.0+, and use
 this: (explained [here](https://github.com/rstacruz/nprogress/issues/8#issuecomment-23010560))
 
 ~~~ js
@@ -120,6 +120,9 @@ NProgress.done(true);
 
 __Get the status value:__ To get the status value, use `.status`
 
+__Pause progress:__ To temporary halt trickling of progress, call `.pause` and resume with `.continue`.
+This is a non persistent operation, which means next `.start` will make progress continuously if trickle is true
+
 Configuration
 -------------