Adding docs for PaddleNLP (#535)
* wip
* wip
* ready for review
* add summarization
* Apply suggestions from code review
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
* address comments
* add images context
Co-authored-by: Omar Sanseviero <osanseviero@gmail.com>
Co-authored-by: Radames Ajna <radamajna@gmail.com>
