* add ppocrv4 det student and teacher model

* update head and config, refine details

* refine config and head details

* refine config and head details

* refine details

* refine details

* remove application

* refine fpn

* fix bug

* update code

* fix bug

* align lcnet to rec

* align hgnet to rec

* refine make shrink

* remove theseus layer

* support min_area_rect crop

* add check_install

* fix requirement.txt

* fix check_install

* add lanms-neo for drrg

* fix

* fix doc

* fix