update readme (ran-isenberg#374)

Author: ran-isenberg

README.md

@@ -65,6 +65,11 @@ This repository is the complementary code examples of my blog series "AWS Lambda
 ## Getting started
 Head over to the complete project documentation pages at GitHub pages at [https://ran-isenberg.github.io/aws-lambda-handler-cookbook](https://ran-isenberg.github.io/aws-lambda-handler-cookbook/)
 
+## Code Contributions
+Code contributions are welcomed. Read this [guide.](https://github.com/ran-isenberg/aws-lambda-handler-cookbook/blob/main/CONTRIBUTING.md)
+
+## Code of Conduct
+Read our code of conduct [here.](https://github.com/ran-isenberg/aws-lambda-handler-cookbook/blob/main/CODE_OF_CONDUCT.md)
 
 ## Connect
 * Email: [ran.isenberg@ranthebuilder.cloud](mailto:ran.isenberg@ranthebuilder.cloud)