Adding example Multicast Route Json files

Change-Id: I47b0661cd56df0b991f727512b3c50f8c238671c
(cherry picked from commit 29e5e11907407b4fa03ef9a199b35ee76092ee7d)
diff --git a/apps/mcast/web/src/main/resources/jsonExamples/mcastRoute.json b/apps/mcast/web/src/main/resources/jsonExamples/mcastRoute.json
new file mode 100644
index 0000000..f9e638c
--- /dev/null
+++ b/apps/mcast/web/src/main/resources/jsonExamples/mcastRoute.json
@@ -0,0 +1,12 @@
+{
+  "group": "224.0.1.1",
+  "source": "*",
+  "sources": [
+    "of:0000000000000204/6",
+    "of:0000000000000204/7"
+  ],
+  "sinks": [
+    "00:CC:00:00:00:01/None",
+    "00:AA:00:00:00:03/None"
+  ]
+}
\ No newline at end of file