Evil mobs

Evil Mobs — patchnote 1.16.4

• Added the Lightning Rod Zombie, a new zombie variant that only spawns during rain.
• Lightning Rod Zombies can spawn with a lightning rod stuck in their head, with multiple randomized positions and inclinations.
• Some Lightning Rod Zombies have a small chance to spawn with an extra lightning rod in each hand.
• Lightning Rod Zombies attract lightning frequently and become charged after being struck.
• Charged Lightning Rod Zombies use a charged creeper-style visual effect.
• Charged Lightning Rod Zombies deal bonus electric damage both when they are hit and when they successfully attack a target.
• Added the related spawn eggs, loot, translations, and configuration support for these new variants.