* Create singan.md

* Create gradient_penalty.py

* add GradientPenalty

* add images for singan document

* add SinGANModel

* add SinGANGenerator

* add SinGANDiscriminator

* Create discriminator_singan.py

* Create generator_singan.py

* Create singan_model.py

* Create empty_dataset.py

* add EmptyDataset

* Create singan_predictor.py

* add SinGANPredictor

* Create singan.py

* create configs for singan

* add inference for singan

* create tipc config for singan

* Create python_singan_results_fp32.txt

* add tipc prepare for singan

* Update test_train_inference_python.md

* Update readme.md

* Update singan.md

* Update singan_model.py

* Update prepare.sh

* Update train_infer_python.txt

* Update prepare.sh

* Revert "add images for singan document"

This reverts commit f45fe5e55a2588611d951ae84d776c90693788df.

* Update singan.md

* update path format in configs

* update year of copyright

* modify the order of import

* Update singan_predictor.py

* update configs for singan

* Update singan_model.py

* modify urls for singan in prepare.sh

* add pretrained weight for singan

* Update singan_model.py

* Update singan.md

* Create English tutorial for SinGAN

* add recurrent vsr predictor
* update docs

* add photopen 

* update photopen.md

* fix photopen_model.py

* fix the ci problem
Co-authored-by: Nqingqing01 <dangqingqing@baidu.com>

* add fitting module for styleganv2 and format some related codes

* add lapstyle predictor

* add docs

* add mpr deblur derain and denoise pretrained models for image restoration application

* add wav2lip trainning code

* Add photo2cartoon model
* Resolve conflicts
* Remove comments
* Add photo2cartoon tutorial
* update p2c tutorials

* add stylegan2 and pixel2style2pixel models, predictors and documents

* Add MidDaSv2 in ppgan.apps
* remove ppgan/apps/midas/run.py

* add animeganv2 network and dataset
* animegan:refine code,add License
Co-authored-by: Nqingqing01 <dangqingqing@baidu.com>

* add face_parse predictor in apps