add release_notebook to conf.py
add release_notebook to conf.py
mli/gluon-tutorials-zh,libennext/gluon-tutorials-zh,libennext/gluon-tutorials-zh,d2l-ai/d2l-zh,d2l-ai/d2l-zh,mli/gluon-tutorials-zh,mli/gluon-tutorials-zh,libennext/gluon-tutorials-zh,d2l-ai/d2l-zh,mli/gluon-tutorials-zh