Metadata for question type and image source

Thanks for the great work. Is it possible to provide metadata for question type (data retrieval, visual, compositional, etc) and image source for each data instance? 

<img width="423" alt="Screenshot 2024-02-01 at 1 10 31 PM" src="https://github.com/vis-nlp/ChartQA/assets/11251615/ed5bf1a9-b6fa-443f-801c-e8df91a56ba0">
