An extensible api for handling server software

[Kiwifuit]

This issue has been made since servers like Fabric and Forge have a publicly accessible maven repository that can be used to browse a server's versions for a particular minecraft version, while Purpur and Paper only have REST APIs to do the same thing.

There is a proof-of-concept that uses dynamic libraries to load server "handlers" that are responsible for displaying, querying, and downloading minecraft servers. #6's unified elytra crate can be used with a feature like plugin-typing that only enables the required traits and/or types to develop a plugin.

Extra notes

Paper REST API: https://docs.papermc.io/misc/downloads-api
Purpur REST API: https://api.purpurmc.org/v2/purpur/<game_version>/<build #>/download