Add packer scripts to build mosk image

Automate steps with building image for virtual mosk deployments.

Related-Prod: PRODX-35395
Change-Id: Ideff56310d153ceb034899f2efd8995f930e65d9
diff --git a/mosk-images/scripts/cleanup.sh b/mosk-images/scripts/cleanup.sh
new file mode 100644
index 0000000..9c2c2df
--- /dev/null
+++ b/mosk-images/scripts/cleanup.sh
@@ -0,0 +1,3 @@
+set -ex
+
+echo -n "" > /etc/machine-id