transformers pytorch t5 text2text-generation DocVQA Document Question Answering Document Visual Question Answering en dataset:rubentito/mp-docvqa arxiv:2212.05935 arxiv:1905.13648 base_model:google-t5/t5-base base_model:finetune:google-t5/t5-base license:gpl-3.0 autotrain_compatible text-generation-inference endpoints_compatible region:us