[Doc]: add contributors (#17)

README.md

@@ -95,3 +95,8 @@ If you use this platform or related projects in your research, please cite this
   publisher={IEEE}
 }
 ```
+
+## Main Contributors
+
+Weiming Zhuang [:octocat:](https://github.com/weimingwill) <br/>
+Xin Gan [:octocat:](https://github.com/codergan)