add workflow to update major tag

README.md

@@ -101,6 +101,17 @@ Gitea may suppress workflows caused by pushes authenticated with its built-in `G
 
 The action does not force-push, create tags, publish releases, or call forge APIs. Concurrent release jobs are resolved safely by the remote rejecting a non-fast-forward push. Configure workflow-level concurrency if release PRs can overlap.
 
+## Releasing the action
+
+Create and push an immutable semantic-version tag:
+
+```bash
+git tag -a v1.1.0 -m "Release v1.1.0"
+git push origin v1.1.0
+```
+
+The `Update major version tag` Gitea workflow validates the release tag and automatically moves the corresponding floating major tag (for example, `v1`) to the same commit. Consumers can continue using `Nurinda/bump-erp-app-version@v1` to receive compatible v1 releases.
+
 ## Development
 
 Run the integration test: