Add note about making releases on GitHub

Author: dchukhin

README.md

@@ -64,3 +64,7 @@ To try out the latest features before a release, we also create builds from ever
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+
+## GitHub releases
+
+Note: if making a release on GitHub, please make sure to 1. build locally (`poetry build`) , and 2. include the 2 build files (*.tar.gz and *.whl) as a part of the GitHub release.