K8s_01-Robot tests packages

Signed-off-by: calvinosanc1 <guillermo.calvino@canonical.com>

k8s_jujumachine_vnf/README.md

+This is a VNF with 3 big VDUs intended to model 3 VMS that will become 
+a simple K8s cluster. No configuration is applied. Configuration will be
+done offline.
+

k8s_jujumachine_vnf/cloud_init/cloud-config.txt

+#cloud-config
+password: osm4u
+chpasswd: { expire: False }
+ssh_pwauth: True
+

k8s_jujumachine_vnf/k8s_jujumachine_vnfd.yaml

+vnfd:vnfd-catalog:
+    vnfd:
+    -   id: k8s_jujumachine_vnf
+        name: k8s_jujumachine_vnf
+        short-name: k8s_jujumachine_vnf
+        version: 1.0
+        description: A VNF consisting of 1 VDUs to be configured as a K8s worker or master
+        logo: osm.png
+        connection-point:
+        -   id: mgmt
+            name: mgmt
+            short-name: mgmt
+        mgmt-interface:
+            cp: mgmt
+        vdu:
+        -   id: k8svm
+            name: k8svm
+            image: ubuntu18.04
+            count: 1
+            vm-flavor:
+                vcpu-count: 8
+                memory-mb: 16384
+                storage-gb: 80
+            interface:
+            -   name: eth0
+                position: 1
+                type: EXTERNAL
+                virtual-interface:
+                    type: PARAVIRT
+                external-connection-point-ref: mgmt
+            cloud-init-file: cloud-config.txt
+