* update paddlenlp version for paddle2.5

* clear fluid

* Accommodate UAPI

* Fix signal handler

* Save model.pdopt

* Change variable name

* Update vdl dir

* v4rec code

* v4rec add nrtrloss

* Add V4rec backbone file

* Add V4Rec config file.

* Fix V4rec reparameters when export_model

* convert lvnetv3

* fix codestyle

* fix infer_rec v4rec

* add v4rec hgnet

* add v4rec hgnet config

* add svtr_hgnet

* fix bugs in infer_rec and hgnet

* v4rec code

* v4rec add nrtrloss

* Add V4rec backbone file

* Add V4Rec config file.

* Fix V4rec reparameters when export_model

* convert lvnetv3

* fix codestyle

* fix infer_rec v4rec

* rename PP-OCRv3 algorithm to SVTR_LCNet

* rename PP-OCRv3 algorithm to SVTR_LCNet

* update multi-lang config for v3

* add vl

* add vl

* add vl

* add ref

* fix head out

* add visionlan doc

* fix vl infer

* update dict

* add ppocrv3 rec

* [Feature] add PREN scene text recognition model

* [Patch] Optimize yml File

* [Patch] Save Label/Pred Preprocess Time Cost

* [BugFix] Modify Shape Conversion to Fit for Inference Model Exportion

* [Patch] ?

* [Patch] ?

* 啥情况...

* merge init_model and load_dygraph_params to load_model