Add additional note dependent upon os_ironic_facts

Adding additional note to example deployment playbook that is
dependent upon os_ironic_facts expressing that a user could leverage
the module combined with something similar to the facts to permit a
user to utilize original data sources.

Change-Id: I3b23e4176798dc8cc3f6f7f1a01c5c7fbd3c4161
Depends-On: Ief657e06e781133dd53a58c1da11802d8d7d03c4

playbooks/example-deploy-all-available-nodes.yaml

@@ -10,6 +10,11 @@
 # your deployment image with the dhcp-all-interfaces element when deploying
 # other operating systems or if your target node has multiple ethernet
 # interfaces.
+#
+# NOTE(TheJulia): A user could utilize the os_ironic_facts module with another
+# data source such as a CSV, YAML, or JSON file formats to query ironic, and
+# the example role conditionals below to query current status and deploy to
+# nodes.
 ---
 - hosts: localhost
   connection: local