init static method
Implementation
static Future<void> init() async {
const androidInit = AndroidInitializationSettings('@mipmap/ic_launcher');
final iosInit = DarwinInitializationSettings(
requestAlertPermission: true,
requestBadgePermission: true,
requestSoundPermission: true,
);
final initializationSettings = InitializationSettings(
android: androidInit,
iOS: iosInit,
);
await _notifications.initialize(initializationSettings);
await _requestPermissions();
}