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.json

@@ -1,7 +1,7 @@
 {
   "expo": {
     "name": "WalletTracker",
-    "slug": "WalletTracker",
+    "slug": "wallettracker",
     "version": "1.0.0",
     "orientation": "portrait",
     "icon": "./assets/icon.png",
@@ -10,21 +10,36 @@
     "splash": {
       "image": "./assets/splash-icon.png",
       "resizeMode": "contain",
-      "backgroundColor": "#ffffff"
+      "backgroundColor": "#4A90E2"
     },
     "ios": {
-      "supportsTablet": true
+      "supportsTablet": true,
+      "bundleIdentifier": "com.wallettracker.app"
     },
     "android": {
       "adaptiveIcon": {
         "foregroundImage": "./assets/adaptive-icon.png",
-        "backgroundColor": "#ffffff"
+        "backgroundColor": "#4A90E2"
       },
+      "package": "com.wallettracker.app",
       "edgeToEdgeEnabled": true,
       "predictiveBackGestureEnabled": false
     },
     "web": {
       "favicon": "./assets/favicon.png"
+    },
+    "plugins": [
+      [
+        "expo-image-picker",
+        {
+          "photosPermission": "L'application a besoin d'accéder à vos photos pour ajouter des tickets."
+        }
+      ]
+    ],
+    "extra": {
+      "eas": {
+        "projectId": "your-project-id"
+      }
     }
   }
 }