Update README.md

Author: wing328

README.md

@@ -570,7 +570,7 @@ If you want to join the committee, please kindly apply by sending an email to te
 | Elixir    |  |
 | Elm       |  |
 | Erlang    | @tsloughter (2017/11) |
-| Go        | @antihax (2017/11) @bvwells (2017/12) |
+| Go        | @antihax (2017/11) @bvwells (2017/12) @grokify (2018/07) |
 | Groovy    |  |
 | Haskell   |  |
 | Java      | @bbdouglas (2017/07) @JFCote (2017/08) @sreeshas (2017/08) @jfiala (2017/08) @lukoyanov (2017/09) @cbornet (2017/09) @jeff9finger (2018/01) |