Add CONTRIBUTING.md

Author: nikhita

CONTRIBUTING.md

@@ -0,0 +1,24 @@
+# Contributing
+
+Thanks for taking the time to join our community and start contributing!
+
+Please remember to read and observe the [Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
+
+This  project accepts contribution via github [pull requests](https://help.github.com/articles/about-pull-requests/).
+This document outlines the process to help get your contribution accepted.
+Please also read the [Kubernetes contributor guide](https://github.com/kubernetes/community/blob/master/contributors/guide/README.md).
+
+## Sign the Contributor License Agreement
+We'd love to accept your patches! Before we can accept them you need to sign Cloud Native Computing Foundation (CNCF) [CLA](https://github.com/kubernetes/community/blob/master/CLA.md).
+
+## Reporting an issue
+If you have any problem with the package or any suggestions, please file an [issue](https://github.com/kubernetes-client/java/issues).
+
+## Contributing a Patch
+1. Submit an issue describing your proposed change to the repo.
+2. Fork this repo, develop and test your code changes.
+3. Submit a pull request.
+4. The bot will automatically assigns someone to review your PR. Check the full list of bot commands [here](https://prow.k8s.io/command-help).
+
+### Contact
+You can reach the maintainers of this project at [SIG API Machinery](https://github.com/kubernetes/community/tree/master/sig-api-machinery) or on the [#kubernetes-client](https://kubernetes.slack.com/messages/kubernetes-client) channel on the Kubernetes slack.

README.md

@@ -146,19 +146,19 @@ Key:
 See the [CHANGELOG](./CHANGELOG.md) for a detailed description of changes
 between java-client versions.
 
-## Community, Support, Discussion
+## Contributing
 
-You can reach the maintainers of this project at [SIG API Machinery](https://github.com/kubernetes/community/tree/master/sig-api-machinery). If you have any problem with the package or any suggestions, please file an [issue](https://github.com/kubernetes-client/java/issues).
+Please see [CONTRIBUTING.md](CONTRIBUTING.md) for instructions on how to contribute.
 
 ### Code of Conduct
 
 Participation in the Kubernetes community is governed by the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
 
 # Development
 
-## Update client
+## Update the client
 
-to update the client clone the `gen` repo and run this command at the root of the client repo:
+To update the client clone the `gen` repo and run this command at the root of the client repo:
 
 ```bash
 ${GEN_REPO_BASE}/openapi/java.sh kubernetes settings