Optimizations and improvements for 1.21.5

v3.0 Changes

• Updated item model structures to use new file structure
• cherry leaves are now pinker and nicer to look at

• Adds support for pale oak leaves

v1.0

Adds:

• Bushy leaves
• Biome dependant leaf colors
• Biome dependant leaf variants
• Variation to flowering leaf textures
• Apples on dark oak trees
• Golden birch leaves
• Saplings for consistency