Add a new contributor avatar

README.md

@@ -94,6 +94,7 @@ Demos: [mirai-demos](https://github.com/mamoe/mirai-demos)
 [<img width="60px" height="60px" src="https://avatars2.githubusercontent.com/u/13656668?s=60&v=4" />](https://github.com/PeratX)
 [<img width="60px" height="60px" src="https://avatars1.githubusercontent.com/u/23146087?s=60&v=4" />](https://github.com/mzdluo123)
 [<img width="60px" height="60px" src="https://avatars2.githubusercontent.com/u/18532671?s=60&v=4" />](https://github.com/uebian)
+[<img width="60px" height="60px" src="https://avatars1.githubusercontent.com/u/4546175?s=60&v=4" />](https://github.com/kenvix)
 [<img width="60px" height="60px" src="https://avatars2.githubusercontent.com/u/10308687?s=60&v=4" />](https://github.com/Freedom0925)
 [<img width="60px" height="60px" src="https://avatars3.githubusercontent.com/u/16398479?s=60&v=4" />](https://github.com/ice1000)
 [<img width="60px" height="60px" src="https://avatars0.githubusercontent.com/u/20042607?s=60&v=4" />](https://github.com/PragmaTwice)