Review of examples/ssh-storage

[iesahin]

https://www.katacoda.com/dvc/courses/examples/ssh-storage

• It should have two different Docker instances instead of users. (Or, users should be added beforehand.)

• We can have a 3 container setup. 1 for the SSH server, 2 for different users.

[shcheklein]

I would wait on this one. We don't have a corresponding docs section for this. It's not clear where and how should we position it and what is the primary intention to have it. I would start with clarifying those things.