Add _CHECKPOINT_FOR_DOC to all models (#12811)
* Add _CHECKPOINT_FOR_DOC
* Update src/transformers/models/funnel/modeling_funnel.py
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>