CORD-2184: Add Color and EmbeddedImage to exampleservice

Change-Id: I5e0f934a116cb44749b0cf3a2408e9b459d1dfd2
diff --git a/xos/synchronizer/steps/exampleserviceinstance_playbook.yaml b/xos/synchronizer/steps/exampleserviceinstance_playbook.yaml
index 5830815..88dfb01 100644
--- a/xos/synchronizer/steps/exampleserviceinstance_playbook.yaml
+++ b/xos/synchronizer/steps/exampleserviceinstance_playbook.yaml
@@ -25,6 +25,13 @@
   vars:
     - tenant_message: "{{ tenant_message }}"
     - service_message: "{{ service_message }}"
+    - foreground_color: "{{ foreground_color | default("#000000") }}"
+    - background_color: "{{ background_color | default("#FFFFFF") }}"
+    - images:
+        {% for image in images %}
+        - name: {{ image.name }}
+          url: {{ image.url }}
+        {% endfor %}
 
   roles:
     - install_apache