Add stack subcommand in place of suggest-stacks

[anshlykov]

Summary

Based on RFC #58 and #919, I hid the old suggest-stacks command and added the stack subcommand.

Documentation

• Should this change be documented?
  • Yes, see #___
  • No

Related

Resolves #919

[dfreilich]

Thanks for the help! Looks great, but I left a few nits to take care of.

[anshlykov]

@dfreilich thanks for the feedback! fixed

[dfreilich]

This looks great to me, thanks for the help @anshlykov !

[dfreilich]

UA

pack help

pack help stack

pack stack suggest

pack suggest-stacks

@jromero Do you think it should be pack stack suggest, or pack suggests stack? Also, what do you think about the pack stack help test: Displays stack information?

[jromero]

@dfreilich:

Do you think it should be pack stack suggest, or pack suggests stack?

Based on the initial proposal (RFC), it would be the former, as implemented. It may not read well, in English terms, but its intent is to "group" based on resources. Open to more conversation via slack or other means.

Also, what do you think about the pack stack help te[x]t: "Displays stack information?"

I think that's a bit misleading. Don't know the exact wording we should use but maybe something like: "Commands available to stacks"? As it stands, I think it's mergeable though.