Add permission node

• deathpenalty.admin : Open GUI config

• deathpenalty.bypassALL : Bypass all penalty feature
• deathpenalty.bypassHealth : Bypass Health Penalty Modifier
• deathpenalty.bypassFood : Bypass Food Penalty Modifier
• deathpenalty.bypassSaturation : Bypass Saturation Penalty Modifier
• deathpenalty.bypassPotion : Bypass Potion Penalty Modifier
• deathpenalty.bypassMoney : Bypass Money Penalty Modifier
• deathpenalty.bypassDropMoney : Bypass DropMoney Penalty Modifier
• deathpenalty.bypassMonster : Bypass Monster Penalty Modifier
• deathpenalty.bypassInvDrop : Bypass InvDrop Penalty Modifier
• deathpenalty.bypassDeathCommand : Bypass DeathCommand Penalty Modifier
• deathpenalty.bypassExpDrop : Bypass Exp LV Drop Penalty Modifier

Add Level EXP Drop Percentage as Exp Orbs
Add Support Java 16