* [smdet] add tal_cr and custompan with transfomer, add box_distribution to pred reg_max, test=document_fix

* add tal_cr

* add slice infer for smalldet

* add slice infer for smalldet

* fix slice infer

* fix doc, test=document_fix

* fix eval and configs

* add slice dataset loader

* fix deploy

* fix docs, test=document_fix

* update docs, test=document_fix

* [smalldet visdrone] add modle zoo

* delete

* [smdet] add visdrone sliced config

* fix visdrone smalldet doc, test=document_fix

* add p2 and largesize visdrone model, test=document_fix

* add size doc, test=document_fix

* add visdrone ppyoloe cfg and doc

* fix doc

* fix configs