Code Witcher issues

Results 2 issues of


                                            Code Witcher

refactor using [Conductor](https://github.com/bluelinelabs/Conductor), Android Jetpack(Viewmodel, Navigation), Koin

enhancement

Origin paper mention that CX(X, X) = 1 while CX(X,Y) = 1/N if X is far from Y. So contextual loss is zero when two images are equal and large...