Update README.md

Author: riverfor

README.md

@@ -43,6 +43,7 @@ In order to benefit those guys who have the same issue with QPython, we suggest
 
 - For general user: [Discuss QPython Programming in QPython Group](https://www.facebook.com/groups/qpython/)
 - For contributor: [Join QPython Slack](https://join.slack.com/t/qpython/shared_invite/zt-bsyw9868-nNJyJP_3IHABVtIk3BK5SA)
+- For all users: [Join QPython Discord](https://discord.gg/58eBWUgF)
 
 ### Chinese QPythonista Community