message: feat(cli): better explain difference between --output-dir and --output-zip
diff: @@ -187,6 +187,9 @@ pub struct NextcladeDatasetGetArgs {
  /// Path to directory to write dataset files to.
  ///
  + /// This flag is mutually exclusive with `--output-zip`, and provides the equivalent output, but in the form of
  + /// a directory with files, instead of a compressed zip archive.
  + ///
  /// If the required directory tree does not exist, it will be created.
  #[clap(long, short = 'o')]
  #[clap(value_hint = ValueHint::DirPath)]
  @@ -195,6 +198,9 @@ pub struct NextcladeDatasetGetArgs {
  /// Path to resulting dataset zip file.
  ///
  + /// This flag is mutually exclusive with `--output-dir`, and provides the equivalent output, but in the form of
  + /// compressed zip archive instead of a directory with files.
  + ///
  /// If the required directory tree does not exist, it will be created.
  #[clap(long, short = 'z')]
  #[clap(value_hint = ValueHint::FilePath)]
  