fix readme

This reverts commit 84108515.

* fix the code

* fix the visit_tuple

* Update stargan.md

* Update ultra_light_fast_generic_face_detector.md

* fix the docs

* remove static

* fix

* fix

* fix

* fix the docs
Co-authored-by: Nchanningss <chen_lingchi@163.com>

* Update stargan.md

* fix the type

* fix

* for 2.0.0

* fix

* add BatchToSpaceND and SpaceToBatchND op convert

* add Less and fixed Resize RoiAlign Greater Tile op

* add nms custom layer

* fix topk int64 bug

* update model_zoo

* deal with comments
Co-authored-by: Nchanningss <chen_lingchi@163.com>

* torch.as_tensor(data, dtype=None, device=None) ->  paddle.to_tensor(data,dtype=None, place=None, stop_gradient=True)

* update

* ToTensorMapper

* fix the code

* fix the visit_tuple

* Update stargan.md

* Update ultra_light_fast_generic_face_detector.md

* fix the docs

* fix the convert.py args

* fix teh pad and add log_softmax

* rewrite docs

* rewrite docs

* rewrite docs

* rewrite docs

* rewrite docs

* Update torch.narrow.md

* Update x2paddle_model_zoo.md

* Update x2paddle_model_zoo.md

* fix the README.md

* Update README.md

* add code

* rm

* Update README.md

* Update demo.md

* Update README.md

* Update README.md

* remove tools

* modify README

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Update demo.md

* Update demo.md

* Update demo.md

* Update demo.md

* Update demo.md

* add commitid

* Update pytorch2paddle.md

* Update README.md

* Update demo.md

* Update FAQ.md

* Update README.md

* Update README.md

* Update __init__.py

* Update torch.zeros.md

* Update README.md

* Update README.md

* Update README.md

* Update torchvision.models.md

* fix the convert.py args

* fix teh pad and add log_softmax

* add BatchToSpaceND and SpaceToBatchND op convert

* deal with comments

for new version

add pytorch mapper and update readme