Add documentation about dataset viewer feature
COLLABORATOR
In particular, include this somewhere in the docs: https://huggingface.co/docs/hub/datasets-viewer#access-the-parquet-files

See https://github.com/huggingface/hub-docs/issues/563
2023-09-25T11:45:19Z
https://github.com/huggingface/datasets/issues/3220#issuecomment-1733503371
https://api.github.com/repos/huggingface/datasets/issues/3220
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https://api.github.com/repos/huggingface/datasets/issues/comments/1733503371/reactions
2023-09-25T11:48:29Z
https://api.github.com/repos/huggingface/datasets/issues/comments/1733503371
https://avatars.githubusercontent.com/u/1676121?v=4
https://api.github.com/users/severo/events{/privacy}
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https://api.github.com/users/severo/gists{/gist_id}
https://github.com/severo
severo
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https://api.github.com/users/severo/orgs
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https://api.github.com/users/severo
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Add to the docs more details about the dataset viewer feature in the Hub.

CC: @julien-c 
