Rapid Fire Crossbow Enchantment

New enchantment that adds magazine to vanilla crossbow, turning it into a rapid fire crossbow.

For 1.20.1 Fabric/Forge:

Configurable values (rapid_fire_enchantment_config.txt/rapidfireenchantment-common.toml):

• Max enchantment level
• Arrow speed decrease per level 
• Pull time increase per level
• Magazine capacity increase per level

For 1.21.1 Fabric:

1) Mod config is removed; max level, speed decrease, pull time increase and magazine capacity can be configured with datapack.

2) Enchanted book "Rapid Fire" can be found ONLY in Pillager Outpost or Bastion Remnant (any chest).

For 1.21.1 NeoForge:

Same as Fabric, use Sinytra connector