update flow and auth model

package.json

@@ -11,6 +11,7 @@
   "dependencies": {
     "@expo/metro-runtime": "~4.0.1",
     "@expo/vector-icons": "~14.0.4",
+    "@react-native-async-storage/async-storage": "^2.2.0",
     "@react-navigation/bottom-tabs": "^6.6.1",
     "@react-navigation/native": "^6.1.18",
     "@react-navigation/native-stack": "^6.11.0",
@@ -19,6 +20,7 @@
     "expo-constants": "~17.0.8",
     "expo-font": "~13.0.4",
     "expo-haptics": "~14.0.0",
+    "expo-image-picker": "^17.0.10",
     "expo-linear-gradient": "~14.0.2",
     "expo-status-bar": "~2.0.0",
     "react": "18.3.1",