Listing devices and services on bonob page sourced from sonos devices

package.json

@@ -9,11 +9,13 @@
     "@svrooij/sonos": "^2.3.0",
     "@types/express": "^4.17.11",
     "@types/node": "^14.14.22",
+    "@types/underscore": "1.10.24",
     "axios": "^0.21.1",
     "eta": "^1.12.1",
     "express": "^4.17.1",
     "ts-md5": "^1.2.7",
     "typescript": "^4.1.3",
+    "underscore":"^1.12.0",
     "winston": "^3.3.3"
   },
   "devDependencies": {