[AETHER-751] - Update the pronto deployment guide

Change-Id: I9b71bbef0c26988450f568c451c5e204b9ae6197
diff --git a/pronto_deployment_guide/overview.rst b/pronto_deployment_guide/overview.rst
new file mode 100644
index 0000000..18d289a
--- /dev/null
+++ b/pronto_deployment_guide/overview.rst
@@ -0,0 +1,7 @@
+..
+   SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+   SPDX-License-Identifier: Apache-2.0
+
+========
+Overview
+========