Pandora's Box 25w45a 2.5.0 Fabric

Edited effect renderers in backend (Box Effects now use render states)
Added Mounts of Mayhem content
Meltdown now shoots particle beams at new effect centers
The box now gives net better gear to entities it spawns
The box now boosts step height when buffing entities it spawns
Rendering effects like the box floating and spinning now continue after the effect ends
Meltdown's texture overlay continues after the effect ends.