Add kubevirt API config service, expose it via REST API and CLI

Change-Id: I45a867ad54622656475758e7b4af38c19e551790
diff --git a/apps/kubevirt-node/app/src/test/resources/org/onosproject/kubevirtnode/codec/KubevirtApiConfig.json b/apps/kubevirt-node/app/src/test/resources/org/onosproject/kubevirtnode/codec/KubevirtApiConfig.json
new file mode 100644
index 0000000..f706cc3
--- /dev/null
+++ b/apps/kubevirt-node/app/src/test/resources/org/onosproject/kubevirtnode/codec/KubevirtApiConfig.json
@@ -0,0 +1,9 @@
+{
+  "scheme" : "HTTPS",
+  "ipAddress" : "10.134.34.223",
+  "port" : 6443,
+  "token": "token",
+  "caCertData": "caCertData",
+  "clientCertData": "clientCertData",
+  "clientKeyData": "clientKeyData"
+}
\ No newline at end of file