Add releasenote page for v39.0.0

Change-Id: Ifa42169ef047a73b31dc389687b41a6472b49fa5
diff --git a/releasenotes/source/v39.0.0.rst b/releasenotes/source/v39.0.0.rst
new file mode 100644
index 0000000..a971fbc
--- /dev/null
+++ b/releasenotes/source/v39.0.0.rst
@@ -0,0 +1,6 @@
+=====================
+v39.0.0 Release Notes
+=====================
+
+.. release-notes:: 39.0.0 Release Notes
+   :version: 39.0.0