[Free/API] Selyu Configs

[LillianA]

Its just a simple API that I've been using in my plugins (tested on 1.8.8 paper & 1.13.2 paper) and I find it super useful for myself.

Example code & maven repo can be found https://github.com/r-by/Config/blob/master/README.md here

Code can be found https://github.com/r-by/Config/ here