Feature Description

Allow mods that add customizable capes to the player to render transparent textures on the capes.

Context and Inspiration

Suggested by _yuompioka#9238 on discord.

_yuompioka#9238 provided the following mods as examples:
https://modrinth.com/mod/minecraftcapes
https://modrinth.com/mod/unrestricted-textures
https://modrinth.com/mod/capes

Does This Add New Behavior or Change Current Features?

Adds transparency to player capes.