Update 25th Feb - Iron sight, Muzzle-flash, Ammo count

In this update: The AK-47 now fires, there's a (perhaps overkill) muzzle flash when firing, and an ammo count.
The first part of the video is from the Unreal course linked below, and the Sheffield map is the actual game map.
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Creating A First Person Shooter - Unreal Engine 4 Course (DevSquad):
https://www.youtube.com/playlist?list=PLL0cLF8gjBprG6487lxqSq-aEo6ZXLDLg