Jujutsucraft UHC

New gamerules :

• Everyone Have Simple Domain (if true, then every players will have simple domain unlocked, true by default)
• Everyone Special Grade (if true, then every players will be special grade, false by default)

New features : 

• Players can now join the game even if it's already started as long as the ct aren't gived yet
• When you get Gojo ct you have 90% chance to be teen Gojo, then you will not have rct, domain expansion and all, but if you die you have 50% chance to revive and unlock rct lvl 1
• When you get Sukuna you will get a random number of fingers instead of always 18k ce

Fixes : 

• Fix Ino ct
• Few minors improvement