Update README.md

Author: hknokh

README.md

@@ -7,7 +7,8 @@ This tool is a graphical interface for creating and maintaining the **`export.js
 - **SFDMU GUI App Documentation**: [SFDMU GUI App Reference Guide](https://help.sfdmu.com/sfdmu-gui-app).
 - **SFDMU Plugin GitHub Repository**: [SFDMU Plugin Repo](https://github.com/forcedotcom/SFDX-Data-Move-Utility).
 - **SFDMU Knowledgebase and Help Portal**: [SFDMU Help Center](https://help.sfdmu.com/).
-- **SFDMU Support Policy**: [SFDMU User Support Policy](https://help.sfdmu.com/full-documentation/additional-information/support_policy). 
+- **SFDMU Support Policy**: [SFDMU User Support Policy](https://help.sfdmu.com/full-documentation/additional-information/support_policy).
+- **How to contribute to SFDMU ?**: [SFDMU Contribution Policy](https://help.sfdmu.com/full-documentation/additional-information/code_contribution_policy)
 
 ## Application Benefits