Update README.md with the releasing instructions

README.md

@@ -36,6 +36,11 @@ To keep everything working, do not remove `<!-- ... -->` sections.
   Download the [latest release](https://github.com/che-incubator/gateway-plugin/releases/latest) and install it manually using
   <kbd>Settings/Preferences</kbd> > <kbd>Plugins</kbd> > <kbd>⚙️</kbd> > <kbd>Install plugin from disk...</kbd>
 
+## Release
+1. Find a draft release on the [Releases](https://github.com/redhat-developer/devspaces-gateway-plugin/releases) page. The draft is updated automatically on each push to the `main` branch.
+2. Edit the draft and use the `Publish release` button. The [Release](https://github.com/redhat-developer/devspaces-gateway-plugin/blob/main/.github/workflows/release.yml) Workflow will attach the built plugin artifact to the published release.
+3. Find the `Changelog update` PR, created automatically by the [Release](https://github.com/redhat-developer/devspaces-gateway-plugin/blob/main/.github/workflows/release.yml) Workflow, and merge it.
+4. Update the `pluginVersion` in the [gradle.properties](https://github.com/redhat-developer/devspaces-gateway-plugin/blob/main/gradle.properties) file.
 
 ---
 Plugin based on the [IntelliJ Platform Plugin Template][template].