add belgrade golang meetup
@@ -2875,6 +2875,7 @@ _**Unofficial** set of patterns for structuring projects._
## Meetups
* [Basel Go Meetup](https://www.meetup.com/Basel-Go-Meetup/)
+* [Belgrade Golang Meetup](https://www.meetup.com/golang-serbia/)
* [Belfast Gophers](https://www.meetup.com/Belfast-Gophers/)
* [Berlin Golang](https://www.meetup.com/golang-users-berlin/)
* [Brisbane Gophers](https://www.meetup.com/Brisbane-Golang-Meetup/)
