Added REST API call to fetch routes count and routes count by type for Route Service

Change-Id: Ia9a5b269df17805d2f9aab2ca926bf7656168aee
diff --git a/apps/route-service/app/src/main/resources/definitions/RoutesGetCount.json b/apps/route-service/app/src/main/resources/definitions/RoutesGetCount.json
new file mode 100644
index 0000000..e1f1eb9
--- /dev/null
+++ b/apps/route-service/app/src/main/resources/definitions/RoutesGetCount.json
@@ -0,0 +1,17 @@
+{

+  "type": "object",

+  "required": [

+    "ipv4PrefixCount",

+    "ipv6PrefixCount"

+  ],

+  "properties": {

+    "ipv4PrefixCount": {

+      "type": "long",

+      "example": "2"

+    },

+    "ipv6PrefixCount": {

+      "type": "long",

+      "example": "3"

+    }

+  }

+}