Boxsanity

### What feature would you like to see?

Add boxes to the location pool, with various options on which boxes are added.
- Regular Boxes
- Ammo Boxes
- Explosive Boxes
- Nanotech Boxes
- Reinforced Boxes

This will add the following filler items to the pool:
- Bolts (Currency)
- Weapon Ammo
- Explosions (Trap item)
- Health
- More Bolts