Adds in a load of customization to a few native UI elements such as the bossbar, scoreboard, etc.

Features

Boss bar customization
Actionbar customization
Scoreboard customization
Title / subtitle customization
Hotbar customization
Tablist customization
Scrollable tooltips

And, all elements can be customized with

Toggle
Scale
Text color
Text type
Show in chat, debug (F3), GUIs
Background (with rounded corners, borders, color customization)