MC production for D(s)+->eta(')h / Lambda_c-> eta(')p
This MR adds option files to produce ntuples for D(s)+->eta(')h / Lambda_c-> eta(')p MC samples. The variables added in the tuples are the same used for the old D(s)+->eta(')h WG production lhcb-datapkg/WG/CharmWGProd!55 (merged), approved by the Charm WG