builds #179
Description
Description/Steps to reproduce
https://docs.expo.io/versions/latest/guides/setting-up-continuous-integration
https://forums.expo.io/t/what-do-you-use-for-testing-and-ci-for-expo-rn/850
https://codeburst.io/building-react-native-projects-with-native-code-part-2-9ec690c8c34c
https://medium.com/@Appfactory/automatically-building-react-native-android-apk-with-travis-aa92a8c4b642