Add note about release (#10)

Update README

Reviewer: rpere

Author: navyapothineni

README.md

@@ -132,5 +132,9 @@ bundle exec kdt generate
 ```
 
 We accept [pull requests]. They will be reviewed by a member of the LiveRamp development team as soon as possible.
+Once the PR is merged, GitHub will auto-draft the release. Be sure to
+add the same version as a tag (vX.Y.Z) and then publish it.
+[GitHub Workflow] will then publish the gems.
 
+[GitHub Workflow]: https://github.com/LiveRamp/kube_deploy_tools/blob/master/.github/workflows/release.yml
 [pull requests]: https://github.com/LiveRamp/kube_deploy_tools/pulls