Update README.md

README.md

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 If you find this project useful, please star it. It is the greatest appreciation of our work.
 
 ## Top News <img width=8% src="./docs/img/new.gif"/>
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+**`2021-08-17`**: We have updated the [Preparation](./docs/guidance/preparation.md), The main change is that the gpu version of onnx is now installed by default, Now the time to process a video is greatly reduced.
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 **`2021-07-19`**: ***Obvious border abruptness has been resolved***. We add the ability to using mask and upgrade the old algorithm for better visual effect, please go to [Inference for image or video face swapping](./docs/guidance/usage.md) for details. Please don’t forget to go to [Preparation](./docs/guidance/preparation.md) to check the latest set up. (Thanks for the help from [@woctezuma](https://github.com/woctezuma) and [@instant-high](https://github.com/instant-high))
 
 **`2021-07-04`**: A new Colab performing **multi specific** face video swapping has been added. You can check it out [here](https://colab.research.google.com/github/neuralchen/SimSwap/blob/main/MultiSpecific.ipynb)