Ultra Blood Moon

Added spook variant

• Changed the reward mechanic to a new formula.
• fixed boss bar bug where it will still appear after night ends.
• added more checks for mob spawning
• illusioners/evokers are rarer in arcane moon while adding zombie variants.
• arcane moon spawn rate is reduced.
• added /bloodmoon score command (for admins)

• added /bloodmoon help.
• added audio cues whenever a blood moon starts
• refined /bloodmoon start. You can now select what type of moon event you are going to execute.

fixed individual spawn rate and illusioner blindness

• added arcane moon
• fixed bug where the boss bar shares with all players