docs: add reference Git over SSH (#6499)

see
https://discuss.huggingface.co/t/update-datasets-getting-started-to-new-git-security/65893

Author: severo

docs/source/share.mdx

@@ -56,7 +56,7 @@ huggingface-cli repo create your_dataset_name --type dataset --organization your
 
 ### Clone the repository
 
-3. Install [Git LFS](https://git-lfs.github.com/) and clone your repository:
+3. Install [Git LFS](https://git-lfs.github.com/) and clone your repository (refer to the [Git over SSH docs](https://huggingface.co/docs/hub/security-git-ssh) if you prefer cloning through SSH):
 
 ```
 # Make sure you have git-lfs installed