New enchantment for shield (1)

1⁰ Bash: When blocking only melee attacks, the shield accumulates charge. Up to 3 charges can be accumulated blocking 3 attacks. When charged, the player can strike an enemy in front of it, dealing damage and knocking it back. •The attack takes 0.8 seconds to perform and affects one enemy that are within a range of 1x2 blocks in front of you. • Each charge will generate damage based on the percentage of base damage dealt by the mob to the shield, being: 50% of the damage with 1 charge, 100% of the damage with 2 charges and 150% of the damage with 3 charges. • The knockback also scales with the charge, being: 2 blocks in one charge, 3 blocks in 2 charges and 4 blocks in 3 charges • If the player jumps during the jump animation, he also moves with the attack, with the distance depending on the charge. Otherwise, it stays in the same place. • Charges last indefinitely until used. • If the player blocks attacks from different mobs, the charge is reset, unless it is a mob of the same type. In this case, any modifier to the mob's damage will not affect the damage given by the shield, which will always deal the enemy's base damage. • Damage dealt by explosions from Creepers and Withers results in level 3 charge.