[1.20.4] Support multiple mod loaders within the repo

[OreCruncher]

Overview

Goal is to implement a set of build and code changes to support building the mod for Fabric and Forge. Other mod loader environments will be added in the future (such as NeoForge).  

Task List

• [x] ~~Integrate Architectury plugin for multi plugin build~~
• [x] Mojang official mappings instead of Yarn
• [x] Support YACL as well as Cloth-Config API
• [ ] Utilize non-Architectury based project management system (https://github.com/jaredlll08/MultiLoader-Template)
• [ ] Get existing Fabric mod running using build system
• [ ] Add support for NeoForge
• [ ] Add support for Forge

[OreCruncher]

Related to Cloth-Config API - mod authors are keeping up with newer versions of MC but are not investing in additional features. Not sure the shape of Forge/NeoForge config UI yet.