fix: add Maven repository for react-native-vad dependency

Added custom Maven repository configuration to android/build.gradle
to resolve com.davoice:vad dependency from react-native-vad package libs.

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

packages/voice-mobile/app.json

@@ -18,7 +18,8 @@
       "supportsTablet": true,
       "infoPlist": {
         "NSMicrophoneUsageDescription": "This app needs access to the microphone for voice commands."
-      }
+      },
+      "bundleIdentifier": "com.moboudra.voicemobile"
     },
     "android": {
       "adaptiveIcon": {