ZombieBuddy

fixes: -in a fight, zombies cannot be healed anymore (this interrupts the fight) -better balance between double armor and double damage effect fights -effects if zombies are fighting each other now work correctly -at adding effect time when out of range of the zombie the diamond is not spend anymore -also sometimes when the zombie despawned in the right timing it bugged the adding more time for effects -scoreboard should correctly dissapear after the buddy despawns or dies and reappear after revived -both zombies will get their own coords when fighting, they now move from place randomly -both zombies in a buddy vs buddy fight now are more focused instead of look around while fighting added: 1 hp regeneration per minute