solve technical debt

[kamilsk]

• [ ] https://github.com/kamilsk/retry/search?q=TODO&type=Code&utf8=✓
  • color.New(color.FgYellow).Fprintln(os.Stderr, "notify component is not ready yet")
• [ ] make cmd-test-N doesn’t work in cmd/retry directory
• [ ] fix the docs (add `` to all packages and retry itself)
• [ ] fix error: an error occurred:
• [ ] fix link https://github.com/kamilsk/retry#differences-from-rican7retry - https://github.com/kamilsk/retry/blob/a9420a94231e952d85d544ee7bca54e614b27df9/strategy/strategy.go#L27-L32

[kamilsk]

won't do or fixed