getLocalizationPath function
Implementation
String? getLocalizationPath(String pubspecPath) {
  final lines = File(pubspecPath)
      .readAsLinesSync()
      .where((l) => l.trim().startsWith('localizationDir:'));
  String? response;
  if (lines.isNotEmpty) {
    response = lines.first.trim().replaceFirst('localizationDir:', '').trim();
  }
  print(response);
  return response;
}