* Upload rifle_crosshair.png
Image used for rifle crosshair. Created by PiMonkey.
* sniper_rifles: Add crosshair for rifles via HUD
HUD-driven crosshair for sniper rifles.
NOTE: scale_const is set to 4, this may be changed by preference.
* Increase size slightly
Co-authored-by: LoneWolfHT <lonewolf04361@gmail.com>