Upload BraTS2020/split_info.json with huggingface_hub

BraTS2020 chunk 8/8 (vols 330-369)

BraTS2020 chunk 7/8 (vols 283-329)

BraTS2020 chunk 6/8 (vols 236-282)

BraTS2020 chunk 5/8 (vols 189-235)

BraTS2020 chunk 4/8 (vols 142-188)

BraTS2020 chunk 3/8 (vols 95-141)

BraTS2020 chunk 2/8 (vols 48-94)

BraTS2020 chunk 1/8 (vols 1-47)

Remove flat BraTS2020 layout (will re-upload nested)

Add BraTS2020 chunk 3/8 (volumes 95-141)

Add BraTS2020 chunk 2/8 (volumes 48-94)

Add BraTS2020 chunk 1/8 (volumes 1-47)