Create: Rainbow Compound – RainbowCompound-forge-1.20.1-1.3.4b

– Updated the latest support version to 1.20.1
– Fix some data pack and assets pack bugs.
– Fix curios not rendering correctly.
– Fix the problem that curios rendering can’t be controlled on and off.
– Fix crash bug when creating worlds due to missing Caelus API.
– Fix the recipes data pack to fit the new smithing type in version 1.20.1.