Adding support for canal network plugin

This patch provides support for Canal network plugin installation
as a self-hosted app, see the following link for details:

https://github.com/tigera/canal/tree/master/k8s-install

roles/kubernetes-apps/ansible/tasks/main.yaml

@@ -18,6 +18,5 @@
   with_items: "{{ manifests.results }}"
   when: inventory_hostname == groups['kube-master'][0]
 
-
 - include: tasks/calico-policy-controller.yml
   when: enable_network_policy is defined and enable_network_policy == True