LUA script manager not shown in DT

Can’t you just download it as described here?
https://git-scm.com/download/mac
or here (seems to be intel-based only):

The GitHub Desktop is reported to support Apple silicon:

(I have never used a Mac.)

that is helpful, I saved your links in case I need them.
For now, DT got the right paths and instructions.

Your recommendation would enable the script_manager to check and update lua scripts automatically, making everything more easy. Will check them out when I really need them, thanks.