Support for Folia.

[MagmaSlime123]

Describe the feature request

Title. See https://papermc.io/software/folia.

Describe alternatives you've considered

N/A.

[eccentricdevotion]

Folia won't be useful for the majority of servers out there and will break most public plugins.

Unlikely at this stage, at least until public builds are available... and probably not even then.