Update DevelopingTeam.md

Author: QG-phy

docs/DevelopingTeam.md

@@ -12,3 +12,13 @@ The current development team consists of the following research members / groups
 ## Previous Contributors
 - Shishir K. Pandey
 - Zheyuan Hu
+
+
+## Join Us!
+We welcome contributions from the community! If you're interested in contributing to this project, here's how you can get involved:
+
+- Check out our [contribution guidelines](https://deeptb.readthedocs.io/en/latest/community/contribution_guide.html)
+- Browse our [open issues](https://github.com/deepmodeling/DeePTB/issues)
+
+Whether you're a developer, researcher, or enthusiast, there's a place for you in our community. Don't hesitate to reach out if you have any questions or ideas!
+