installed node-notifier as dev dependency

Author: harshithad0703

package-lock.json

@@ -29,6 +29,7 @@
     "debug": "^4.3.4",
     "jest": "^29.0.3",
     "jsdoc": "^4.0.0",
+    "node-notifier": "^10.0.1",
     "rimraf": "^2.6.3",
     "ts-jest": "^29.0.2",
     "tslint": "^5.18.0",