Add:

-  google-services.json
- utils/notifications.ts

Fix:
- app.config.js : tambah access googleServicesFile
- app/_layout.tsx : tambah untuk push notifikasi
- package.json: install install expo-notifications expo-device expo-constants

### No Issue

app/_layout.tsx

@@ -1,10 +1,27 @@
 import { AuthProvider } from "@/context/AuthContext";
 import AppRoot from "@/screens/RootLayout/AppRoot";
+import { registerForPushNotificationsAsync } from "@/utils/notifications";
+import { useEffect } from "react";
 import "react-native-gesture-handler";
 import { SafeAreaProvider } from "react-native-safe-area-context";
 import Toast from "react-native-toast-message";
 
 export default function RootLayout() {
+  useEffect(() => {
+    // Jalankan sekali saat app pertama kali dibuka
+    registerForPushNotificationsAsync().then((token) => {
+      if (token) {
+        // TODO: Kirim token ke backend kamu
+        // Contoh:
+        // fetch('https://api.hipmibadung.id/save-token', {
+        //   method: 'POST',
+        //   headers: { 'Content-Type': 'application/json' },
+        //   body: JSON.stringify({ token })
+        // });
+      }
+    });
+  }, []);
+
   return (
     <>
       <SafeAreaProvider>