If you're a user of this mod, you're probably only interested in the way you can install this mod. There is no difference between installing a general mod and installing a library mod. Just download it and place it inside the mods folder.
Dynamic registries is a library mod that allows the creation of new data-pack based registries. It's possible to define elements in code and trough data-packs (even the data-pack in your mod), but not necessary; you can also create elements only in code or in data-packs. Elements that were defined in code can also be overwritten from data-packs. Elements must be encoded in JSON.
This library is based on the changes introduced in this PR. This PR probably isn't going to be merged before 1.18.2 gets released, but I needed this feature already for 1.18.1, so I wrote this mod. There won't be versions of this library for other Minecraft version for this reason.
Please refer to https://github.com/Silverminer007/DynamicRegistries#readme for instructions
