chronos-exporter: adding a JSON schema

Change-Id: Ib42a5a8adfa1b4dd6c783a4a828fbd2b94f74fa0
diff --git a/chronos-exporter/files/configs/demo-configuration.json b/chronos-exporter/files/configs/demo-configuration.json
index 389bb98..70c1d9f 100644
--- a/chronos-exporter/files/configs/demo-configuration.json
+++ b/chronos-exporter/files/configs/demo-configuration.json
@@ -28,6 +28,9 @@
           "display-name": "Cameras Slice",
           "device-groups": [
             "cameras"
+          ],
+          "applications": [
+            "nvr"
           ]
         },
         {
@@ -178,5 +181,11 @@
         }
       ]
     }
+  ],
+  "applications": [
+    {
+      "application-id": "nvr-application",
+      "display-name": "Network Video Recorder"
+    }
   ]
 }
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