Build 0.8.3 for 1.19

Added more cosmetics available through the Jex website, including new Hats, customizable Ears, Peg-Legs, an Appendage, and the Dinnerbone upside-down effect
Added Swim mode to Jesus
Added ability to use Nuker in survival
Added translucency to capes
Fixed CustomMainMenu no longer displaying custom capes properly
Fixed EnchantColor not allowing customization after changing texture packs