Summary: This is the first step to adding cocoapods support to YogaKit. We are going to publish a `Yoga` framework to the store that we can use as a dependency. This will also allow developers to build their own abstractions easily using the core API.
Reviewed By: nlutsenko, emilsjolander
Differential Revision: D4466788
fbshipit-source-id: 8f08bdbf524e57c88f7fc3400c4ba6ad58f98d7f
