add contributing link to readme

Signed-off-by: olalekan odukoya <[email protected]>

Author: olamilekan000

README.md

@@ -54,6 +54,14 @@ kubectl apply -f ...
 
 See <https://lima-vm.io/docs/> for the further information.
 
+## Contributing
+
+We welcome contributions! Please see our [Contributing Guide](https://lima-vm.io/docs/community/contributing/) for details on:
+
+- **Developer Certificate of Origin (DCO)**: All commits must be signed off with `git commit -s`
+- Code licensing and pull request guidelines
+- Testing requirements
+
 ## Community
 ### Adopters