Add release notes

Author: TravisCardwell

project/release/queue-sheet-haskell-0.4.0.0.md

@@ -0,0 +1,13 @@
+# `queue-sheet-haskell` `0.4.0.0` Release Notes
+
+Date
+: 2020-09-12
+
+## Overview
+
+This release of Queue Sheet adds support for associating tags with items.  See
+the updated man page for details.
+
+YAML files used with version `0.3.0.0` work with version `0.4.0.0` without
+change, but YAML files that include item tags will not work with version
+`0.3.0.0` or before.