Installation in readme

New Weapons Available
V Broken bottle(brassknuckles)
V Minigun (minigun)
V RPG (rockect launcher)
V Heavy pistol (desert eagle)
V Combat pistol (colt45)
V AP pistol (9mm)
V teargas
V grenade
V molotv
V mg(SMG)
V knife
V antique cavalry dagger (katana)