Build lighting from command line

This one seems to be the latest version of the command line argument script, but doesn’t communicate with source control. This is not useful if working on a professional project.

[2021.04.03-06.32.30:993][  0]LogInit: Display: LogContentCommandlet: Warning: Skipping read-only file C:/Unreal/MOD_Haus/Content/Armstrong/Maps/Mountain_House_P.umap