input method
Input Request Guidelines
Prompts the user for a string.
Accepts an optional defaultValue to specify what happens when the user simply presses Enter.
Returns the string the user entered / accepted.
Format:
<message prompt>:
Implementation
Future<String> input(
  final String message, {
  final String? defaultValue,
}) async {
  return prompts.input(
    message,
    defaultValue: defaultValue,
    logger: _logger,
  );
}