Add release script

release.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [ $# -lt 1 ]; then
+  echo "Usage: release.sh <version>"
+  exit 1
+fi
+
+rm -rf dist/
+git tag $1
+git push origin $1
+
+python setup.py sdist bdist_wheel --universal
+twine upload dist/*