Fix link for community notebooks (#17602)

* Fix link for community notebooks

This fixes the link for community notebooks due to reorganization.

* Replace old link with fully link to the doc page
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

notebooks/README.md

@@ -88,4 +88,4 @@ You can open any page of the documentation as a notebook in colab (there is a bu
 
 ## Community notebooks:
 
-More notebooks developed by the community are available [here](community#community-notebooks).
+More notebooks developed by the community are available [here](https:hf.co/docs/transformers/community#community-notebooks).