Minor fix to the smoke nade

Added:
Combat smoke grenade - siphons oxygen from the area and severely hinders visibility

Changed:
Imporved Anzio sniper rifle fire visuals
Fixed Arbiter shotgun ejecting 2 casings when reloading, now it's the intended 1

Added:
'Inferno' grenade - very powerful incendiary grenade
Thermite grenade - eats through doors and walls over time while causing major burn damage in the detonation area for as long as the thermite burns

Fixed minor spelling mistakes in a few items.

Added:
Fragmentation grenade, packs a big punch (not recommended to stand next to it after priming)

Grenades now visibly lose their spoons and pins after being thrown
Fixed the flashbang and pacification grenade still being on the ground after the explosion for 1 second, looked goofy but it's fixed now

Added:
2 grenades - flashbang grenade, incapacitation grenade (much more powerful and deadly version of a flashbang)

New mod background plus some minor changes to particle effects

Added:
Arbiter semi-auto shotgun and its magazines.

Changed:
PPsh drums bullet capacity increased
M60 ammo boxes are once more medium sized items