Merge pull request #145 from xihuai18/patch-1

Add ZSC-Eval in README.md

Author: micahcarroll

README.md

@@ -34,6 +34,7 @@ For simple usage of the environment, it's worthwhile considering using [this env
 - Zhao, Rui, Jinming Song, Hu Haifeng, Yang Gao, Yi Wu, Zhongqian Sun, Yang Wei. ["Maximum Entropy Population Based Training for Zero-Shot Human-AI Coordination"](https://arxiv.org/abs/2112.11701). NeurIPS Cooperative AI Workshop, 2021.
 - Sarkar, Bidipta, Aditi Talati, Andy Shih, and Dorsa Sadigh. [“PantheonRL: A MARL Library for Dynamic Training Interactions”](https://iliad.stanford.edu/pdfs/publications/sarkar2022pantheonrl.pdf). AAAI 2022.
 - Ribeiro, João G., Cassandro Martinho, Alberto Sardinha, Francisco S. Melo. ["Assisting Unknown Teammates in Unknown Tasks: Ad Hoc Teamwork under Partial Observability"](https://arxiv.org/abs/2201.03538).
+- Xihuai Wang, Shao Zhang, Wenhao Zhang, Wentao Dong, Jingxiao Chen, Ying Wen and Weinan Zhang. [“ZSC-Eval: An Evaluation Toolkit and Benchmark for Multi-agent Zero-shot Coordination”](https://arxiv.org/abs/2310.05208v2).
 
 
 ## Installation ☑️