Update README.md

Author: xuan-li

README.md

@@ -16,3 +16,4 @@ Right now we take experiments on MNIST and LSUN. The best results of SinkhornGAN
 * [Sinkhorn-Python](https://github.com/rflamary/POT/blob/master/ot/bregman.py)
 * [A repo containing many GAN models](https://github.com/tjwei/GANotebooks)
 * [SinkhornAutoDiff](https://github.com/gpeyre/SinkhornAutoDiff)
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