Preparing for open source usage

[atticoos]

There's a few things to finalize before this is ready to be used as a dependency in react-native projects.

I'd like to follow the lead as much as possible over in paypal/glamorous when it comes to making it easy for new folks to get involved, and excited, to contribute.

• [ ] Build and release process
• [ ] Complete TODOs in unit tests some challenges with enzyme's mount with react-native (https://github.com/airbnb/enzyme/issues/614)
• [x] Introduce commitizen to help generate well formatted commit messages
• [x] Add examples