[Model] Add PP-OCRV5_mobile_det Model Support (#43247)
* Feat: Add PP-OCRV5_mobile_det model
* fix code
* fix code
* fix
* use cv and np to replace pyclipper
* add model post_init()
* fix
* fix model init_weight
* fix rename module
* update
* update
* update
* update
* update
* update
* update
* update
* update
* update
* update
* update
* update
* Feat: Add PP-LCNet model
* fix doc
* update
* update
* update
* update
* update
* update
* update
* refactor
* init pp_lcnet_v3
* use load_backbone
* clean
* update
* fix
* add pp_lcnet_v3 docs and tests
* fix
* update lcnet test
* fix
* reuse server_det
* update
* fix
* fixup modular
* fix
* fix docs
---------
Co-authored-by: zhangyue66 <zhangyue66@baidu.com>
Co-authored-by: vasqu <antonprogamer@gmail.com>
Co-authored-by: Anton Vlasjuk <73884904+vasqu@users.noreply.github.com>
