chore: add release documentation

Author: kdev

.github/action-releases.png

@@ -65,3 +65,7 @@ Note: We recommend using the `--license` option for ncc, which will create a lic
 Your action is now published! :rocket:
 
 See the [versioning documentation](https://github.com/actions/toolkit/blob/master/docs/action-versioning.md)
+
+We try to stick to this (see above)
+
+![actions-release-schema](./.github/action-releases.png)