@1aura =>  add blog post around building a plugin

Hiya :sun_with_face: 
"From Alcatraz, you'll want to install [XcodeExplorer](https://github.com/edwardaux/XcodeExplorer) installed to dig through notifications and the view heriarchy and [Delisa Mason's](http://delisa.me)'s [Xcode 5 Plugin](https://github.com/kattrali/Xcode5-Plugin-Template) template."