HF papers in doc (#40381)
* HF papers
* clean
* Update src/transformers/models/gemma3n/configuration_gemma3n.py
Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
* style
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Co-authored-by: Steven Liu <59462357+stevhliu@users.noreply.github.com>
