New link for offline docs (I'm Paul Kögel now)

I recently got married and changed my last name.

Author: Paul Kögel

README.md

@@ -120,7 +120,7 @@ This architecture might seem like an overkill for a counter app, but the beauty
 * [Glossary](http://rackt.github.io/redux/docs/Glossary.html)
 * [API Reference](http://rackt.github.io/redux/docs/api/index.html)
 
-For PDF, ePub, and MOBI exports for offline reading, and instructions on how to create them, please see: [paulwittmann/redux-offline-docs](https://github.com/paulwittmann/redux-offline-docs).
+For PDF, ePub, and MOBI exports for offline reading, and instructions on how to create them, please see: [paulkogel/redux-offline-docs](https://github.com/paulkogel/redux-offline-docs).
 
 ### Examples