Update READMEs

Signed-off-by: Beat Buesser <[email protected]>

Author: Beat Buesser

README-cn.md

@@ -42,4 +42,10 @@
 [roadmap]: https://github.com/Trusted-AI/adversarial-robustness-toolbox/wiki/Roadmap
 [citing]: https://github.com/Trusted-AI/adversarial-robustness-toolbox/wiki/Contributing#citing-art
 
-该图书馆正在不断发展中。 欢迎反馈，错误报告和贡献！
+该图书馆正在不断发展中。 欢迎反馈，错误报告和贡献！
+
+# 致谢
+
+本材料部分基于国防高级研究计划局（DARPA）支持的工作
+合同编号HR001120C0013。本材料中表达的任何意见，发现和结论或建议均为
+作者的观点，并不一定反映国防高级研究计划局（DARPA）的观点。

README.md

@@ -48,3 +48,8 @@ certification, etc.).
 [citing]: https://github.com/Trusted-AI/adversarial-robustness-toolbox/wiki/Contributing#citing-art
 
 The library is under continuous development. Feedback, bug reports and contributions are very welcome!
+
+# Acknowledgment
+This material is partially based upon work supported by the Defense Advanced Research Projects Agency (DARPA) under
+Contract No. HR001120C0013. Any opinions, findings and conclusions or recommendations expressed in this material are
+those of the author(s) and do not necessarily reflect the views of the Defense Advanced Research Projects Agency (DARPA).