lib/classes/CLI.js/CLI/generateCommandsHelp
class CLI:  generateCommandsHelp(commandsArray) {
    const command = this.serverless.pluginManager.getCommand(commandsArray);
    const commandName = commandsArray.join(' ');

    // print the name of the plugin
    this.consoleLog(chalk.yellow.underline(`Plugin: ${command.pluginName}`));

    this.displayCommandUsage(command, commandName);
    this.displayCommandOptions(command);

    this.consoleLog('');
  }