Update README.md

Author: LesiaChaban

README.md

@@ -485,6 +485,14 @@ If you are already using a separate values.yaml for your customisations, you sti
 
 #### [Building Custom Container Images](./docs/custom-images.md)
 
+## Contributing
+
+This project welcomes contributions from the community. Before submitting a pull request, please [review our contribution guide](./CONTRIBUTING.md)
+
+## Security
+
+Please consult the [security guide](./SECURITY.md) for our responsible security vulnerability disclosure process
+
 ## License
 
 Copyright (c) 2023, Oracle and/or its affiliates.