L.U.R.K. Artifacts, Recoil, Ammo Weight fix update

with the S.T.A.L.K.E.R. mod L.U.R.K., version 1.1 (most recent version).
This mini-mod fixes the extremely high recoil of firearms in L.U.R.K. v1.1, as well as enabling the use of artifacts and decreasing the weight of ammunition to something more reasonable. Use only