Better Bookshelves

Added Modular Book Models/Colours

Added Configurations

• Number of books required for enchanting table to recognize bookshelf
  • enchanting_table_book_requirement: whole number between 0 and 6 (default: 3, -1 to disable)
• Change the colour and model of each book type
  • book_textures: (array of all book types)
    • book_type: book identifier
    • book_model: whole number between 0 and 5
    • hex_colour: hex colour code without the # (e.g. 00FF00 for green)
• Change the colour and model of each enchantment type
  • enchanted_book_textures: (array of all enchantments)
    • enchantment: enchantment identifier
    • book_model: whole number between 0 and 5 (-1 to inherit from enchantment book)
    • hex_colour: hex colour code without the # (e.g. 00FF00 for green) ("inherit" to inherit from enchantment book)