android constant
Implementation
static const FirebaseOptions android = FirebaseOptions(
apiKey: 'AIzaSyBkNVpSsgni558eAtkMtmB6NVqJW8zFgJg',
appId: '1:985927661367:android:2f4015706b53ae9f5c0cb2',
messagingSenderId: '985927661367',
projectId: 'messenger-3872c',
storageBucket: 'messenger-3872c.appspot.com',
);