Toms Mobs 2.2.0+1.21.4

Ridden Elephants can attack using space/jump button
The elephant model was updated to increase the contrast of the texture and its head was repositioned
Butterflies now tilt towards the direction they are moving vertically
Butterflies now despawn if not nametagged or leashed
Tunas can spawn in different sizes now
The Sculking moves faster and tries to run away from the player after stealing XP
Fixes leashes not being visible in some cases
Adds more (vanilla) sounds for custom mobs
Includes a Seagull spawn egg and Seagull mob (does not spawn naturally yet as it is still in development)