Introduce OpenStack Heat as additional provisioner

ONAP will mainly be installed on a Kubernetes cluster installed
on Openstack. The creation of the resources (instances, networks, etc.)
are done using Heat so this change prepares the engine for Heat
introduction by adding 2 new parameters:
- provisioner: it can be set by using -r
- uri to heat template: it can be set by using -t

Change-Id: Iedf7848519487a35a2cf5c823e23d6ba72bdb006
diff --git a/playbooks/main.yml b/playbooks/main.yml
new file mode 100644
index 0000000..fce9928
--- /dev/null
+++ b/playbooks/main.yml
@@ -0,0 +1,27 @@
+---
+# ============LICENSE_START=======================================================
+#  Copyright (C) 2019 The Nordix Foundation. All rights reserved.
+# ================================================================================
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END=========================================================
+
+- name: Create libvirt resources
+  import_playbook: create-libvirt-resources.yml
+  when: not baremetal
+
+- name: Install and configure bifrost
+  import_playbook: install-configure-bifrost.yml
+
+# vim: set ts=2 sw=2 expandtab: