Add an yaml example in Writing a DaemonSet Spec (#4553)

* Add yaml example in DeamonSet doc

* Update daemonset.md

* use code include instead of duplicate in md

* remove redundant download link

docs/concepts/workloads/controllers/daemonset.md

@@ -26,6 +26,17 @@ different flags and/or different memory and cpu requests for different hardware
 
 ## Writing a DaemonSet Spec
 
+### Create a DeamonSet
+
+You can describe a DeamonSet in a YAML file. For example, the deamonset.yaml file below describes a DeamonSet that runs the fluentd-elasticsearch Docker image:
+
+{% include code.html language="yaml" file="deamonset.yaml" ghlink="/docs/concepts/workloads/controllers/deamonset.yaml" %}
+
+* Create a DeamonSet based on the YAML file:
+```
+kubectl create -f deamonset.yaml
+```
+
 ### Required Fields
 
 As with all other Kubernetes config, a DaemonSet needs `apiVersion`, `kind`, and `metadata` fields.  For