Initial Commit for ODTN demo repo with demo scripts and demo app

Change-Id: I812c9fbe7a4b5d454038860acbb936fa9b189438
diff --git a/cassini-demo/openconfig-device-cassini-test-link.json b/cassini-demo/openconfig-device-cassini-test-link.json
new file mode 100644
index 0000000..017b413
--- /dev/null
+++ b/cassini-demo/openconfig-device-cassini-test-link.json
@@ -0,0 +1,10 @@
+{
+    "links": {
+        "netconf:10.172.0.11:830/101-netconf:10.172.0.12:830/101": {
+            "basic" : {
+                "type": "OPTICAL",
+                "metric": 1
+            }
+        }
+    }
+}