Metamorphio

Added new textures for:

• Oak
• Birch
• Stone
• Cobblestone
• Sandstone
• Tuff
• Deepslate
• Terracotta
• Wool
• Andesite
• Calcite
• Diorite
• Granite
• Bricks
• Obsidian
• Gravel
• Clay

Added unique Double Slab textures for:

• Stone Brick Slab
• Brick Slab
• Cut Sandstone Slab
• Polished Granite Slab
• Polished Deepslate Slab
• Deepslate Brick Slab
• Polished Tuff Slab
• Tuff Brick Slab