Fix language and license tag names (#2)

Update README.md

remove the disclaimer (#1)

fix split count formatting

Detailed ReadMe

better description, blackformat

Merge branch 'main' of https://huggingface.co/datasets/nbroad/citesum

change download url

fix link

wip and link to homepage

config and copied code from cnn/dailymail

add frontmatter tags

initial commit