1) Rebalance
 — made several mobs unbonkable(Iron golem, Wither, Ender dragon, Elder guardian, Creaking)
 — (RIP op Stun)
 — drastically decreased the knockback of all bricks
 — made all glass blocks and panes smashable
2) Visuals and sound
 — added new sfx to Stun(Bonk!)
 — added new vfx to Stun and Ensnared
