Add info command

[patricksanders]

This PR adds a weep info command that prints compressed and base64-encoded debug info to help with support cases. The command is hidden from the help output since it doesn't need to be discoverable outside of support interactions.

Folks supporting Weep can also use weep info -d to decode the output from a user's info command. It will accept input via pipe:

# Pipe straight from Weep
weep info | weep info -d

# Pipe from env var
OUTPUT=$(weep info)
echo $OUTPUT | weep info -d

# Copypasta
weep info | pbcopy
pbpaste | weep info -d

Or via an argument:

OUTPUT=$(weep info)
weep info -d $OUTPUT

[castrapel]

Maybe we should just show all roles by default? The difference between "console" and "app" roles could be confusing to users

[patricksanders]

Yeah, that does seem to get folks. I'll make that change.