CORD-2866 Add some configuration and TOSCA examples

Change-Id: I2d664132fb7c00592b455f6b2844112325e83d39
diff --git a/examples/adminuser-values.yaml b/examples/adminuser-values.yaml
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--- /dev/null
+++ b/examples/adminuser-values.yaml
@@ -0,0 +1,61 @@
+---
+
+# Copyright 2018-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.
+
+# Override XOS admin user and password values set in values.yaml
+#
+# helm install -f examples/adminuser-values.yaml xos-core -n xos-core
+# helm install -f examples/adminuser-values.yaml xos-profiles/rcord-lite -n rcord-lite
+
+xosAdminUser: &adminuser "cordadmin@foobar.com"
+xosAdminPassword: &adminpass "AVerySecurePassword"
+
+# initial_data_config is a list.
+# I don’t know how to override individual list items...
+configs:
+  initial_data_config:
+    - model: core.Site
+      fields:
+        name: "my_site"
+        abbreviated_name: "my_site"
+        login_base: "my_site"
+        site_url: "http://opencord.org/"
+        hosts_nodes: true
+    - model: core.User
+      fields:
+        email: *adminuser
+        password: *adminpass
+        firstname: "XOS"
+        lastname: "User"
+        is_admin: True
+      relations:
+        site:
+          fields:
+            name: "my_site"
+          model: core.Site
+
+serviceOverride: &serviceOverride
+  serviceConfig:
+    accessor:
+      username: *adminuser
+      password: *adminpass
+
+
+# Update the username / password for all the services
+addressmanager: *serviceOverride
+fabric:         *serviceOverride
+onos-service:   *serviceOverride
+volt:           *serviceOverride
+vsg-hw:         *serviceOverride