Rite of Returning 1.1.8

Custom Soul Spear rewrite:
- Soul Spear no longer relies on vanilla TridentEntity for thrown rendering.
- Soul Spear item still extends TridentItem for trident-style use/enchant behavior.
- releaseUsing now spawns a custom SoulSpearProjectileEntity.
- Added SoulSpearProjectileEntity.
- Added SoulSpearProjectileRenderer.
- Thrown Soul Spear now renders with the uploaded Soul Spear model and texture.
- Projectile uses trident-style throw speed, hit sounds, damage, and pickup/drop behavior.
- Loyalty-style return behavior is included for Loyalty enchantment.
- Held/inventory Soul Spear item model was regenerated from the uploaded bbmodel with element rotations preserved.
