Drag the Universal Chat Plugin jar into the libs folder
Tweak build.gradle.ks
Import UniversalChatAPI
Create libs folder
In the root directory of your plugin create a libs folder
Add Universal Chat Jar
Download Universal Chat, and place the plugin file into the newly created libs folder
Build File Tweaking
Navigate to build.gradle.kts and add the following code under 'dependencies'
Import Universal Chat's API
Import Universal Chat using the following code
Notes
Once complete, the Universal Chat jar will be bundled with your plugin, however it will not function without the Universal Chat plugin installed in the plugins directory.