CORD-3028 simple example service

Change-Id: I48ed0e9af080fbfed50b5bd2a9790652d3c907d8
diff --git a/xos/synchronizer/simpleexampleservice_config.yaml b/xos/synchronizer/simpleexampleservice_config.yaml
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+++ b/xos/synchronizer/simpleexampleservice_config.yaml
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+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+
+name: simpleexampleservice
+accessor:
+  username: xosadmin@opencord.org
+  password: "@/opt/xos/services/simpleexampleservice/credentials/xosadmin@opencord.org"
+required_models:
+  - SimpleExampleService
+  - SimpleExampleServiceInstance
+  - ServiceDependency
+  - KubernetesService
+  - KubernetesServiceInstance
+  - KubernetesConfigMap
+  - KubernetesSecret
+  - KubernetesConfigVolumeMount
+  - KubernetesSecretVolumeMount
+dependency_graph: "/opt/xos/synchronizers/simpleexampleservice/model-deps"
+steps_dir: "/opt/xos/synchronizers/simpleexampleservice/steps"
+sys_dir: "/opt/xos/synchronizers/simpleexampleservice/sys"
+model_policies_dir: "/opt/xos/synchronizers/simpleexampleservice/model_policies"
+models_dir: "/opt/xos/synchronizers/simpleexampleservice/models"