404 on Datasets Documentation Page
### Describe the bug

Getting a 404 from the Hugging Face Datasets docs page:
https://huggingface.co/docs/datasets/index


### Steps to reproduce the bug

1. Go to URL https://huggingface.co/docs/datasets/index
2. Notice 404 not found

### Expected behavior

URL should either show docs or redirect to new location

### Environment info

hugginface.co