Ryan Richard da7c981f14 Organize Pinniped CLI into subcommands; Add get-kubeconfig subcommand
- Add flag parsing and help messages for root command,
  `exchange-credential` subcommand, and new `get-kubeconfig` subcommand
- The new `get-kubeconfig` subcommand is a work in progress in this
  commit
- Also add here.Doc() and here.Docf() to enable nice heredocs in
  our code
2020-09-11 17:56:05 -07:00
..
2020-07-28 15:15:59 -05:00
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