crane: Add "did you mean" to ls and catalog #2004
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People often try to run
crane ls
on a registry andcrane catalog
on a repo, neither of which will work. Attempt to nudge them in the right direction if we hit an error.crane catalog example.com/foo
->crane catalog example.com
(fails to parse)crane ls example.com
->crane catalog example.com
(dockerhub rejects)crane ls localhost:5000
->crane catalog localhost:5000
(fails to parse)