generateReadme method
void
generateReadme()
Implementation
void generateReadme() {
final outputFilePath = _argResults['output'] as String;
final topLevelHelpModel = HelpModelParserFromCommandRunner(commandRunner: _commandRunner).parseModel();
final output = HelpModelStringBuilder.getFullOutput(topLevelHelpModel);
File(outputFilePath).writeAsStringSync(output);
}