Add a section for /search in the docs
As the endpoint is public, we should have a section in https://huggingface.co/docs/datasets-server.

For https://huggingface.co/docs/hub/datasets-viewer, let's wait to have the search integrated into the Hub dataset viewer.
Add a section for /search in the docs: As the endpoint is public, we should have a section in https://huggingface.co/docs/datasets-server.

For https://huggingface.co/docs/hub/datasets-viewer, let's wait to have the search integrated into the Hub dataset viewer.