Add EpheroLib dependency to fabric.mod.json

[Poopooracoocoo]

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Description of your suggestion.

I noticed the changelog of createdeco-2.0.0-fabric-1.20.1 and also saw the required dependency of the CurseForge release. Would be great to have it added to the fabric mod json too as I just saw someone without it.

Also please use the new fabric api mod id: fabric-api. It's less confusing for users