transformers safetensors vlm text-generation image-captioning visual-question-answering image-to-text en dataset:sbu_captions dataset:visual_genome dataset:HuggingFaceM4/VQAv2 dataset:ChristophSchuhmann/MS_COCO_2017_URL_TEXT base_model:unum-cloud/uform-vl-english base_model:finetune:unum-cloud/uform-vl-english license:apache-2.0 autotrain_compatible endpoints_compatible region:us