docs: Add dingtalk developer groups

Author: ralf0131

README.md

@@ -215,11 +215,13 @@ Access the Jaeger UI to view the collected trace data. You should no
 ## Community
 
 We are looking forward to your feedback and suggestions. You can join
-our [DingTalk group](https://qr.dingtalk.com/action/joingroup?code=v1,k1,VaFSqbGiRY0iAL3GGd18DRWDyb1HpgOuyfDzsX3Drng=&_dt_no_comment=1&origin=11?)
+our [DingTalk user group](https://qr.dingtalk.com/action/joingroup?code=v1,k1,VaFSqbGiRY0iAL3GGd18DRWDyb1HpgOuyfDzsX3Drng=&_dt_no_comment=1&origin=11?) and [DingTalk developer group](https://qr.dingtalk.com/action/joingroup?code=v1,k1,mexukXI88tZ1uiuLYkKhdaETUx/K59ncyFFFG5Voe9s=&_dt_no_comment=1&origin=11?)
 to engage with us.
 
-<img src="docs/_assets/img/dingtalk-chat-group.jpg" height="200">
+| User Group              | Developer Group           |
+|-------------------------|---------------------------|
+| <img src="docs/_assets/img/dingtalk-chat-group.jpg" height="150"> | <img src="docs/_assets/img/dingtalk-chat-group.jpg" height="150"> |
 
 ## Resoures
 * AgentScope: https://github.com/modelscope/agentscope
-* Observability Community: https://observability.cn
+* Observability Community: https://observability.cn