Update README.md

Update README.md

remove deprecated file: metadata all

add missing data files

update metadata

add tqdm

can run add_files from anywhere

Update README.md

fix swapped columns for visium samples in metadata file

add dry run mode

add script to add missing data files

add Xenium_V1_mouse_pup_outs

add 3 visium samples

remove nan from mgc samples

add visium hd sample

minor contributing.md update

adding cosmx mgc files

adding toy datasets

rename specie -> species

add human breast + mouse brain

add one mouse

update

add metadata

use h5

add colon files 2

add colon files

Update README.md

initial commit