v0.6 Alpha 1

The march continues! Added 12 more blocks, mainly focusing around the Nether:

• Netherrack
• Nether Gold Ore
• Nether Quartz Ore
• Crimson Nylium
• Warped Nylium
• Gilded Blackstone
• Infested Cobblestone (essentially just the Cobblestone texture, but with a light outline)
• Infested Stone (similar to Infested Cobblestone)
• Magma Block (the first animated block, and not too bad if I do say so myself!)
• Mycelium
• Red Sand
• Tuff (if you're on a 1.17 snapshot)

And a few texture tweaks to Glowstone and Block of Redstone to darken their outlines and improve their shading a bit.