Update README.md with release steps

Author: sutaakar

Diff for: README.md

@@ -10,3 +10,36 @@ CodeFlare Stack Compatibility Matrix
 | CodeFlare-SDK                | v0.4.4  |
 | InstaScale                   | v0.0.4  |
 | KubeRay                      | v0.5.0  |
+
+## Release process
+
+Prerequisite:
+- Build and release [MCAD](https://github.com/project-codeflare/multi-cluster-app-dispatcher)
+- Build and release [InstaScale](https://github.com/project-codeflare/instascale)
+- Build and release [CodeFlare-SDK](https://github.com/project-codeflare/codeflare-sdk)
+
+Release steps:
+1. Invoke [tag-and-build.yml](https://github.com/project-codeflare/codeflare-operator/actions/workflows/tag-and-build.yml) GitHub action, this action will create a repository tag, build and push operator image.
+
+2. Check result of [tag-and-build.yml](https://github.com/project-codeflare/codeflare-operator/actions/workflows/tag-and-build.yml) GitHub action, it should pass.
+
+3. Update CodeFlare Stack Compatibility Matrix in operator README.
+
+4. Update InstaScale and MCAD versions:
+- in [Makefile](https://github.com/project-codeflare/codeflare-operator/blob/main/Makefile#L12-L16).
+- in [mcad/deployment.yaml.tmpl](https://github.com/project-codeflare/codeflare-operator/blob/main/config/internal/mcad/deployment.yaml.tmpl#L28)
+- in [controllers/defaults.go](https://github.com/project-codeflare/codeflare-operator/blob/main/controllers/defaults.go) by running `make defaults`
+- in [controllers/testdata/instascale_test_results/case_1/deployment.yaml](https://github.com/project-codeflare/codeflare-operator/blob/main/controllers/testdata/instascale_test_results/case_1/deployment.yaml) and [controllers/testdata/instascale_test_results/case_2/deployment.yaml](https://github.com/project-codeflare/codeflare-operator/blob/main/controllers/testdata/instascale_test_results/case_2/deployment.yaml)
+
+5. Create a release in CodeFlare operator repository, release notes should include new support matrix.
+
+6. Open a pull request to OpenShift community operators repository with latest bundle using make command, check that the created PR has proper content.
+```
+make openshift-community-operator-release
+```
+
+7. Once merged, update component stable tags to point at the latest image release.
+
+8. Announce the new release in slack and mail lists, if any.
+
+9. Update the Distributed Workloads component in ODH.