03.12.2020 - R2 update

Discord server is up!

- fixed sheep ass
- fixed sheep black color
- new shulker and shulker box textures
- new coal/charcoal textures
- rework for end/endstone textures
- new diamond pickaxe
- adjusted brightness for smooth stone
- white terracotta recolored
- improved dandelion
- improved peony
- new pink glazed terracotta