config parameters from Firebase console.config parameters, paste them in the environment files in the starter code. There are two environment files, one for dev and one for prod app.app.module.ts and main.ts by importing the environment config in the environment.prod.ts when you create a production buildsrc/app/pages/firebase folder contains the code related to firebase-homesrc/app/services/firestore filestorage.service.ts - For storage purposefirebase-authentication.service.ts - For Authentication functionsfirestore.services.ts - For CRUD functions