Merge pull request #552 from com-pas/feat/543-docs-add-release_file

docs(#543): add RELEASE.md

Author: massifben

RELEASE.md

@@ -0,0 +1,8 @@
+<!--
+SPDX-FileCopyrightText: 2025 RTE FRANCE
+
+SPDX-License-Identifier: Apache-2.0
+-->
+# Release
+
+See the official [contributing guide](https://com-pas.github.io/contributing/) on how to [release](https://com-pas.github.io/contributing/RELEASES.html).