make a CocoaPods docset for Dash

[dbgrandi]

You could wrap the guide content into a Dash docset. This would be quite useful for people getting familiar with the Podfile or .podspec syntax.

I did a docset generator in ruby in a while ago (here) that shows how to do some of the basics.

Full documentation for generating and sharing dockets can be found gere.

[kylef]

Perhaps also a small cheatsheet too (re CocoaPods/CocoaPods#2118)

[dbgrandi]

Started a WIP at #85