* update ppdet docs & remove static code, test=document_fix

* add pphuman doc, test=document_fix

* update action doc, test=document_fix

* update activity, test=document_fix

* add ppsmrt, test=document_fix

* fix picodet cfg, test=document_fix

* add rcnn & picodet, test=document_fix

* rename battery dataset

* add faster rcnn

* update README, test=document_fix

* add data analysis, test=document_fix

* add faster r101, test=document_fix