git production installation and use

[lbdyck]

It would be nice to have a simple process to:

1. download git and requisite tools
2. install into a common location
3. document/assist in updating the /etc/profile and whatever else

Same for updating an existing installation.

[MikeFultonDev]

see: https://github.com/orgs/ZOSOpenTools/discussions/110 for a discussion about tackling this issue for all tools, not just git.

[IgorTodorovskiIBM]

@lbdyck with zopen now available, can we close this off?

[lbdyck]

closing with thanks