Examples of Slate in the Wild update in README.md

README.md

@@ -80,6 +80,7 @@ Examples of Slate in the Wild
 * [Codestar Framework Docs](http://codestarframework.com/documentation/)
 * [Buddycloud API](http://buddycloud.com/api)
 * [Crafty Clicks API](https://craftyclicks.co.uk/api/)
+* [Paracel API Reference](http://paracel.io/docs/api_reference.html)
 
 (Feel free to add your site to this list in a pull request!)