Add gophercon Vietnam
@@ -2018,6 +2018,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
* [GopherCon Israel](https://www.gophercon.org.il/) - Tel Aviv, Israel.
* [GopherCon Russia](https://www.gophercon-russia.ru) - Moscow, Russia.
* [GopherCon Singapore](https://gophercon.sg) - Mapletree Business City, Singapore.
+* [GopherCon Vietnam](https://gophercon.vn/) - Ho Chi Minh City, Vietnam.
* [GothamGo](http://gothamgo.com/) - New York City, USA.
* [GoWayFest](https://goway.io/) - Minsk, Belarus.
