Note that if we want to run tests from each module on older Android versions, we would need to enable desugaring for each module that is using newer JDK features. For now, this prevents the app itself from crashing on devices with older versions of Android
This implements the logical flow between the onboarding stages, as well as nearly full test coverage of the flow.
There's a lot of followup work, especially to implement design styles. It currently contains various placeholder values, e.g. lorem ipsum text and color blocks instead of images. See #17
Carter Jernigan