continue generating flow, add backend connection on main tabs

index.js

@@ -1,25 +1,10 @@
 import { registerRootComponent } from "expo";
-import messaging from "@react-native-firebase/messaging";
-import notifee from "@notifee/react-native";
-
 import App from "./App";
 
-import {
-  displayNotification,
-  triggerEvent,
-} from "./src/providers/NotificationProvider";
-
 // registerRootComponent calls AppRegistry.registerComponent('main', () => App);
 // It also ensures that whether you load the app in Expo Go or in a native build,
 // the environment is set up appropriately
 
-messaging().setBackgroundMessageHandler(async (remoteMessage) => {
-  console.log("Message handled in the background!", remoteMessage);
-  await displayNotification(remoteMessage.data);
-});
-
-notifee.onBackgroundEvent(triggerEvent);
-
 function HeadlessCheck({ isHeadless }) {
   if (isHeadless) {
     // App has been launched in the background by iOS, ignore