htl_flutter_helper_method_channel library

1. htl_flutter_helper package
2. documentation
3. htl_flutter_helper_method_channel.dart

htl_flutter_helper package

1. Libraries
2. device_settings
3. htl_flutter_helper
4. htl_flutter_helper_method_channel
5. htl_flutter_helper_platform_interface
6. htl_local_loger
7. setup