Update README.md

Author: leetal

README.md

@@ -52,6 +52,7 @@ __*The resulting binary will consist of only one platform. To combine all platfo
 
 * [natbro](https://github.com/natbro) for adding tvOS support
 * [MSNexploder](https://github.com/MSNexploder) for adding OS64 support
+* [garryyan](https://github.com/garryyan) for adding watchOS support
 
 ## Notes