Update README.md

Author: hanjr92

README.md

@@ -47,6 +47,7 @@ Compare to TensorLayer version:
 # Resources
 
 - [Examples](https://github.com/tensorlayer/TensorLayerX/tree/main/examples) for tutorials✅
+- [GammaGL](https://github.com/BUPT-GAMMA/GammaGL) is a multi-backend graph learning library based on TensorLayerX.✅
 - OpenIVA an easy-to-use product-level deployment framework✅
 - [TLXZoo](https://github.com/tensorlayer/TLXZoo) pretrained models/backbones🚧
 - TLXCV a bunch of Computer Vision applications🚧