Add release notes

TravisCardwell · TravisCardwell · commit 767796b9178b · 2020-11-23T20:30:06.000+09:00
diff --git a/project/release/queue-sheet-haskell-0.5.0.1.md b/project/release/queue-sheet-haskell-0.5.0.1.md
@@ -0,0 +1,10 @@
+# `queue-sheet-haskell` `0.5.0.1` Release Notes
+
+Date
+: 2020-11-23
+
+## Overview
+
+This is a maintenance release of Queue Sheet, switching to GitHub Actions for
+continuous integration testing.  There are no changes to the code in this
+release.
