Create releasenotes page for tempest 34.2.0

Change-Id: Ibc48eedb6c1fe7defca878c10805484b07b3f624
diff --git a/releasenotes/source/v34.2.0.rst b/releasenotes/source/v34.2.0.rst
new file mode 100644
index 0000000..386cf71
--- /dev/null
+++ b/releasenotes/source/v34.2.0.rst
@@ -0,0 +1,6 @@
+=====================
+v34.2.0 Release Notes
+=====================
+
+.. release-notes:: 34.2.0 Release Notes
+   :version: 34.2.0