Add examples with kubevirt

* Add helpers to install kubevirt and its dependencies
* Add examples how to use kubevirt

Related-Prod: PRODX-3456
Change-Id: I3ade65df5f8ddff39f35605104851833d74690a1
diff --git a/kubevirt/examples/20-boot-vm-multus/cirros-net2.yaml b/kubevirt/examples/20-boot-vm-multus/cirros-net2.yaml
new file mode 100644
index 0000000..8fc08fb
--- /dev/null
+++ b/kubevirt/examples/20-boot-vm-multus/cirros-net2.yaml
@@ -0,0 +1,47 @@
+---
+apiVersion: kubevirt.io/v1
+kind: VirtualMachine
+metadata:
+  labels:
+    kubevirt.io/vm: cirros-net2
+  name: cirros-net2
+spec:
+  running: false
+  template:
+    metadata:
+      labels:
+        kubevirt.io/vm: cirros-net2
+    spec:
+      domain:
+        devices:
+          disks:
+          - disk:
+              bus: virtio
+            name: containerdisk
+          - disk:
+              bus: virtio
+            name: cloudinitdisk
+          interfaces:
+            - name: default
+              masquerade: {}
+            - name: ovn-net2
+              bridge: {}
+        resources:
+          requests:
+            memory: 128Mi
+      terminationGracePeriodSeconds: 0
+      networks:
+        - name: default
+          pod: {} # Stock pod network
+        - name: ovn-net2
+          multus: # Secondary multus network
+            networkName: net2
+      volumes:
+      - containerDisk:
+          image: docker.io/jumpojoy/kubevirt-cirros:0.6.2
+        name: containerdisk
+      - cloudInitNoCloud:
+          userData: |
+            #!/bin/sh
+            echo 'printed from cloud-init userdata'
+        name: cloudinitdisk