Initial commit: WalletTracker app with Firebase integration

- Setup Expo project with TypeScript
- Implement authentication (Login/Signup/Logout)
- Create Dashboard, Transactions, Subscriptions, and Analysis screens
- Add Firebase services (Auth, Firestore, Storage)
- Implement real-time synchronization
- Add charts and analytics
- Create reusable components (Button, InputText, TransactionCard, SubscriptionCard)
- Configure React Navigation with bottom tabs
- Add Firestore security rules
- Create comprehensive documentation (README, FIREBASE_SETUP, TESTING)

App.tsx

@@ -1,20 +1,20 @@
+import React from 'react';
 import { StatusBar } from 'expo-status-bar';
-import { StyleSheet, Text, View } from 'react-native';
+import { GestureHandlerRootView } from 'react-native-gesture-handler';
+import { StyleSheet } from 'react-native';
+import { AppNavigator } from './src/navigation/AppNavigator';
 
 export default function App() {
   return (
-    <View style={styles.container}>
-      <Text>Open up App.tsx to start working on your app!</Text>
+    <GestureHandlerRootView style={styles.container}>
+      <AppNavigator />
       <StatusBar style="auto" />
-    </View>
+    </GestureHandlerRootView>
   );
 }
 
 const styles = StyleSheet.create({
   container: {
-    flex: 1,
-    backgroundColor: '#fff',
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
+    flex: 1
+  }
 });