added some mods update to 1.21.8

Updated mod to 1.21.6 and removed flashback due to not being updated to 1.21.6

Updated to 1.21.5 it dosent have voxy but you are welcome to go to the github and download it there then compile it for yourself. added and removed some mods just quality things

Added tweakeroo

Added mods and updated 1.21

Rockninja32's Mods