Add task template for weave-network-policy

docs/tasks/administer-cluster/weave-network-policy.md

@@ -9,8 +9,32 @@ redirect_from:
 - "/docs/tasks/configure-pod-container/weave-network-policy.html"
 ---
 
-The [Weave Net Addon](https://www.weave.works/docs/net/latest/kube-addon/) for Kubernetes comes with a Network Policy Controller.
+{% capture overview %}
 
-This component automatically monitors Kubernetes for any NetworkPolicy annotations on all namespaces, and configures `iptables` rules to allow or block traffic as directed by the policies.
+This page shows how to use Weave Net for NetworkPolicy.
+
+{% endcapture %}
+
+{% capture prerequisites %}
+
+1. Complete steps 1, 2, and 3 of the [kubeadm getting started guide](/docs/getting-started-guides/kubeadm/). 
+
+{% endcapture %}
+
+{% capture steps %}
+
+## Installing Weave Net addon 
+
+1. Follow the [Integrating Kubernetes via the Addon](https://www.weave.works/docs/net/latest/kube-addon/) guide.
+
+The Weave Net Addon for Kubernetes comes with a [Network Policy Controller](https://www.weave.works/docs/net/latest/kube-addon/#npc) that automatically monitors Kubernetes for any NetworkPolicy annotations on all namespaces and configures `iptables` rules to allow or block traffic as directed by the policies.
+
+{% endcapture %}
+
+{% capture whatsnext %}
 
 Once you have installed the Weave Net Addon you can follow the [NetworkPolicy getting started guide](/docs/getting-started-guides/network-policy/walkthrough) to try out Kubernetes NetworkPolicy.
+
+{% endcapture %}
+
+{% include templates/task.md %}