chore(repo): add packageManager info in package.json (#281)

Author: mandarini

package.json

@@ -26,6 +26,7 @@
     "workspace-generator": "nx workspace-generator"
   },
   "private": true,
+  "packageManager": "[email protected]",
   "dependencies": {
     "@angular/animations": "16.0.0",
     "@angular/common": "16.0.0",