[ETF] Entity Texture Features

[V2.5.6] - release Differences from last non beta release:

• All of 1.18.x now in the one .jar file
• cape support for Skin File Custom Capes , Minecraftcapes.net Capes & Optifine Capes
• fixes for slime's outer layer
• new mob texture property "blocks" so you can set a mob's texture based on the block it spawned on with support for ! before the block to ivnert the check
• support for resource-packs to control blinking length and frequency per texture via a "texture_blink.properties" file
• option to 'thin' the Elytra model as its stretched strangely in vanilla
• Improved the skin feature guide
• fix for villager type & profession varied textures
• supported transparent capes
• tweaked config menu inconsistencies also reflecting changes to puzzle mod
• fixed Iris shader crashes
• fixed null pointer crashes related to blinking
• fixed random mobs being broken in previous betas
• allowed the default texture of a mob to be overridden by the optifine directory (optifine parity)
• Z-Fighting fix extended to skin emissives
• fixed inspecio view models texture flickering, and likely many other GUI mob renderers having a similar issue
• optimized player skin retrieval code for large servers
• many major code cleanups and optimizations