doc: add rlidwka as collaborator

PR-URL: #1929
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Author: rlidwka

README.md

@@ -298,6 +298,7 @@ information about the governance of the io.js project, see
 * **Roman Reiss** ([@silverwind](https://github.com/silverwind)) <me@silverwind.io>
 * **Petka Antonov** ([@petkaantonov](https://github.com/petkaantonov)) <petka_antonov@hotmail.com>
 * **Yosuke Furukawa** ([@yosuke-furukawa](https://github.com/yosuke-furukawa)) <yosuke.furukawa@gmail.com>
+* **Alex Kocharin** ([@rlidwka](https://github.com/rlidwka)) <alex@kocharin.ru>
 
 Collaborators follow the [COLLABORATOR_GUIDE.md](./COLLABORATOR_GUIDE.md) in
 maintaining the io.js project.