Updated info for how to clone datasets properly (#1608)
* Added information for cloning datasets
* Update repositories-getting-started.md
* Update docs/hub/repositories-getting-started.md
Co-authored-by: Julien Chaumond <julien@huggingface.co>
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Co-authored-by: vb <vaibhavs10@gmail.com>
Co-authored-by: Julien Chaumond <julien@huggingface.co>
