Added quick reference to resources

Author: timkindberg

README.md

@@ -39,6 +39,7 @@ To evolve the concept of an [angularjs](http://angularjs.org/) [***route***](htt
 ## Resources
 
 * [In-Depth Overview](https://github.com/angular-ui/ui-router/wiki)
+* [API Quick Reference](https://github.com/angular-ui/ui-router/wiki/Quick-Reference)
 * [FAQ](https://github.com/angular-ui/ui-router/wiki/Frequently-Asked-Questions)
 * [Sample App](http://angular-ui.github.com/ui-router/sample/) ([Source](https://github.com/angular-ui/ui-router/tree/master/sample))
 * [Generated Docs](http://angular-ui.github.com/ui-router/build/doc/)