Bren

ADDED:

• Shotgun, a new close range high damaging firearm
• Netherite Shotgun
• Shells, a new kind of ammo
• Casing Particles for when you shoot a gun
• Added the Shotgun and Shells to the gunsmith's trades
• Added Shells to the gun shop loot t
• Config
• Casing Particle config
• Weapon on back config
• Show ammo GUI config

CHANGED:

• Some texture tweaks
• Changed Long Bullet name to just Bullet
• Tweaked the gun shop loot table
• Changed some things with the ammo GUI
• Nerved the Auto-Gun just a little
• Updated the gun system to support bullet only weapons (such as the Shotgun)
• Some code base clean up