init static method
Implementation
static Future<void> init({
required String appId,
required String apiKey,
required String projectId,
required String messagingSenderId,
void Function(String)? onSuccess,
}) async {
await Firebase.initializeApp(
options: FirebaseOptions(
appId: appId,
apiKey: apiKey,
projectId: projectId,
messagingSenderId: messagingSenderId,
));
await signInAnonymously(onSuccess: onSuccess);
}