Adding [!] Unknown command: `publish`

Usage:

    $ pod plugins [COMMAND]

      Lists or searches the available CocoaPods plugins and show if you have them
      installed or not.

      Also allows you to quickly create a new Cocoapods plugin using a provided
      template.

Commands:

    + create    Creates a new plugin
    > list      List all known plugins
    + search    Search for known plugins

Options:

    --silent    Show nothing
    --verbose   Show more debugging information
    --no-ansi   Show output without ANSI codes
    --help      Show help banner of specified command command