chore: add link to the video cls notebook. (#20386)

* chore: add link to the video cls notebook.

* chore: segregate as resources.

docs/source/en/model_doc/videomae.mdx

@@ -34,6 +34,18 @@ alt="drawing" width="600"/>
 This model was contributed by [nielsr](https://huggingface.co/nielsr).
 The original code can be found [here](https://github.com/MCG-NJU/VideoMAE).
 
+## Resources
+
+A list of official Hugging Face and community (indicated by 🌎) resources to help you get started with VideoMAE. If
+you're interested in submitting a resource to be included here, please feel free to open a Pull Request and we'll
+review it! The resource should ideally demonstrate something new instead of duplicating an existing resource.
+
+**Video classification**
+- [A notebook](https://github.com/huggingface/notebooks/blob/main/examples/video_classification.ipynb) that shows how
+to fine-tune a VideoMAE model on a custom dataset.
+- [Video classification task page](https://huggingface.co/tasks/video-classification)
+- [A 🤗 Space](https://huggingface.co/spaces/sayakpaul/video-classification-ucf101-subset) showing how to perform inference with a video classification model.
+
 
 ## VideoMAEConfig