Initial commit of unbound role

Change-Id: I0a5f1517e7912d418b7994e17c856338e07a5ae0
diff --git a/molecule/default/prepare.yml b/molecule/default/prepare.yml
new file mode 100644
index 0000000..cfec10c
--- /dev/null
+++ b/molecule/default/prepare.yml
@@ -0,0 +1,17 @@
+---
+# unbound molecule/default/prepare.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+- name: Prepare for unbound by installing nsd for testing
+  hosts: all
+  roles:
+    - nsd
+
+  tasks:
+    - name: Add dnsutils so dig works in tests
+      apt:
+        name: "dnsutils"
+        state: "present"
+        update_cache: true