Tambah fitur notifikasi untuk android

Add:
- android/app/src/main/res/xml/

Fix:
- android/app/src/main/AndroidManifest.xml
- android/build.gradle
- app/(application)/(user)/test-notifications.tsx
- bun.lock
- package.json

### No Issue

package.json

@@ -75,6 +75,7 @@
   "devDependencies": {
     "@babel/core": "^7.25.2",
     "@react-native-community/cli": "^20.0.2",
+    "@react-native/metro-config": "^0.83.1",
     "@types/react": "~19.1.10",
     "eslint": "^9.25.0",
     "eslint-config-expo": "~10.0.0",