[Substratum] Shade UI Oreo/Oxygen/Nougat Theme

This theme won't be updated anymore. Support ends with Oreo. Shade UI Oreo/OxygenOS/Nougat is a substratum theme. If you don't know what I'm talking about, please don't download this theme because you won't be able to use it. This theme supports: Android Oreo AOSP stock rom and custom roms. Andromeda is required if unrooted.