Update README.md

Author: adela-bytebase

README.md

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 This repository demonstrates how to use Bytebase and GitHub actions to do database release CI/CD with a code base following [GitHub flow](https://docs.github.com/en/get-started/using-github/github-flow).
 
+🔗 Tutorial: [GitOps with GitHub Workflow](https://docs.bytebase.com/tutorials/gitops-github-workflow)
+
 For GitHub flow, feature branches are merged into the main branch and the main branch is deployed to the, for example, "test" and "prod" environments in a deploy pipeline.
 
 [sql-review-action.yml](/.github/workflows/sql-review-action.yml) checks the SQL migration files against the databases when pull requests are created.