upload vitpose weights

https://github.com/ViTAE-Transformer/ViTPose#results-from-this-repo-on-ms-coco-val-set-single-task-training

• ViTPose_base_simple_coco
• ViTPose_large_simple_coco
• ViTPose_huge_simple_coco
• ViTPose_base_multi_mpii
• ViTPose_large_multi_mpii
• ViTPose_huge_multi_mpii
• ViTPose+_small_coco_wholebody
• ViTPose+_base_coco_wholebody
• ViTPose+_large_coco_wholebody
• ViTPose+_huge_coco_wholebody

I quantized original models with fp16 precision.