add metrics

package.json

@@ -28,9 +28,11 @@
     "debug": "^4.1.1",
     "drachtio-fn-b2b-sugar": "0.0.12",
     "drachtio-srf": "^4.4.28",
+    "hot-shots": "^6.8.7",
     "jambonz-db-helpers": "^0.3.2",
     "jambonz-http-authenticator": "0.1.1",
-    "jambonz-rtpengine-utils": "0.0.5",
+    "jambonz-rtpengine-utils": "0.0.9",
+    "jambonz-stats-collector": "0.0.1",
     "pino": "^5.14.0",
     "rtpengine-client": "^0.0.8"
   },