Hey! This is pretty self explanatory. Just apply the the .jar into your server's plugin folder, and it should work. There are no commands needed!
If you have any questions or comments, please comment on the following youtube video: https://youtu.be/2vta0NWBukw

Here is a playthrough of it: https://youtu.be/2vta0NWBukw

Please note: In the video linked above, Me and my friends used a challenge that you'd have to prepare materials for a wither boss fight while the items were clearing, so you can too if you would like :) !

If you decide to use it in a video, link please :)