updates: empty3-library-mp

some news e

refactoring of dependencies

1. empty3-library-mp.
2. multiplatform library for android and the desktop
3. Android with module one.empty3.libs Partial-android.
4. if you want to use it I ll need to import module Partial-android
5. and to adapt your build.gradle
6. there is a desktop version with partial-desktop and empty3-desktop-ux