Add setup script

.github/workflows/release.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -e
+
+# Install dependencies
+pip install --upgrade twine
+
+# Synchronize submodules
+git submodule update --init --recursive
+
+# Erase old distribution, if exists
+rm -rf dist dace.egg-info
+
+# Make tarball
+python -m build --sdist
+
+# Upload to PyPI
+twine upload dist/*
+