Turns Illagers hostile to other hostile mobs

Features

• Illagers hunt monsters. Pillagers, vindicators, evokers, illusioners, witches, ravagers and vexes attack zombies, skeletons, creepers, slimes, blazes, ghasts and other hostile mobs nearby.
• Monsters hunt illagers. Hostile mobs attack illagers on sight too. Endermen and zombified piglins stay neutral by default.
• Players and villagers come first. Mobs only fight each other when they have nothing better to attack.
• Smarter witches. Against undead mobs, witches throw instant health (which damages undead) instead of harming/poison.
• No pointless chasing. Vindicators and ravagers ignore ghasts and phantoms they can't reach.
• Boss mobs stay out. Warden, wither, ender dragon and creaking are left out by default.
• Uses Paper's Mob Goals API (real AI goals, no fake damage tricks). Future hostile mobs are covered automatically.

Requirements

• Paper 26.3
• Java 25

Known limitations

• Piglins, hoglins, zoglins and breezes use Minecraft's "brain" AI and may only fight back instead of starting fights.
• Melee mobs can't hit flying mobs (vanilla behaviour).