Major Changes to ARV80_Rifle.cs

-working ammo system
-working bullet-spread system
-working automatic shooting system

TODO: Burstfire, the rest of the guns. hue

current ammo and ammo spare display will be on the console.
I put lots of comments so you understand my shitty code. Pls respond if
you have trouble reading.

I made my own Scene for this, I have not tried it on the space guy model
yet. But I see no reason why it wouldn't work because I used basically
all the same scripts.