add release script

mkurnikov · mkurnikov · commit 563c0add5e5c · 2019-02-13T14:36:33.000+03:00
diff --git a/release.xsh b/release.xsh
@@ -0,0 +1,4 @@
+#!/usr/local/bin/xonsh
+
+python setup.py sdist
+twine upload dist/*
