Dev news : more blackstone blocks for RA (Patreon)

Here are three new blackstone related blocks. I added the polished blackstone bricks, their cracked counterparts, and the chiseled polished blackstone block.

Nether blocks are coming along. There are still some ground-related blocks to be done (nether mycelium AKA nylium), as well as wart blocks that are used as "leaves" on nether "trees", and why am I using "quotes" all around.

Anyways, that's all for today. Stay tuned guys and gals!