SOL002 VNF Lifecycle Management - Implementation of deltas between v3.3.1 and v2.7.1

This merge request refers to the implementation of deltas between v3.3.1 and v2.7.1 of SOL002 VNF LCM Interface.

@lynchpi @aelken @matsuurat @carignani @sayama @kraja @zulfiqar @zafar

**Deadline for review: Wednesday 3rd March 2021 @6pm CET

Review period elapsed: approved**

SOL002/VNFLifecycleManagement-API/jsons/changeCurrentVnfPkgRequest.json

 {{
-  "vnfdId": "{vnfdId}"
+  "vnfdId": "{vnfdId}",
+  "extVirtualLinks": [
+  {
+    "id": "",
+    "vimConnectionId": "",
+    "resourceProviderId": "",
+    "resourceId": ""
+  }
+  ],
+  "extManagedVirtualLinks": [
+  {
+    "id": "",
+    "vnfVirtualLinkDescId": "",
+    "resourceId": ""
+  }
+  ],
+  "additionalParams": {},
+  "vnfConfigurableProperties": {}
 }}