Levers

[CruzBishop]

• [x] Stone and variants
• [x] Mossy Cobblestone
• [x] Granite and variants
• [x] Andesite and variants
• [x] Diorite and variants
• [x] Stone brick variants
• [x] Ensure they work
• [x] Get in-hand model rotation right

[CruzBishop]

Features are complete, awaiting changes to be cherry picked from #11 (I'll do it in the morning, don't trust myself to not mess up right now :p)