Migrate to MVVM architecture and Google's ViewModel

[fobo66]

Moxy is kinda too complex for this project, and it turned out to be not so robust solution in terms of maintainability. So, need to find better architecture. Maybe we can try RxRedux, but Architecture Components seem to be the best choice, at least for now. Hope it will stay for the next couple of years.

Any library for the architecture seem risky now, because of what happened with Moxy.

[fobo66]

It feels that it's too complicated and costly to switch architectures, and it will take a long time. So, first we need to refactor Moxy presenters and data layer in scope of existing architecture, and then we will see, is it worth it to migrate to another architecture