Rework-Fluid Generation

[TheMeinerLP]

Currently there are 2 classes that are responsible for the fluids, based on the consistency of the whole generated project I would prefer that the entries are generated via interface and a registry is used.

Affected classes:

• https://github.com/OneLiteFeatherNET/Microtus/blob/13b70397213e4222bb338520244c99743a685d40/src/autogenerated/java/net/minestom/server/registry/Registries.java
• https://github.com/OneLiteFeatherNET/Microtus/blob/105f2fdc7e089c20305c52d5ab6ac53fbea99610/src/autogenerated/java/net/minestom/server/fluid/Fluid.java