Build English AI Coach starter app

package.json

@@ -6,13 +6,18 @@
     "start": "expo start",
     "android": "expo start --android",
     "ios": "expo start --ios",
-    "web": "expo start --web"
+    "web": "expo start --web",
+    "prebuild:ios": "expo prebuild --platform ios"
   },
   "dependencies": {
+    "@react-navigation/native": "^7.2.2",
+    "@react-navigation/native-stack": "^7.14.12",
     "expo": "~54.0.33",
     "expo-status-bar": "~3.0.9",
     "react": "19.1.0",
-    "react-native": "0.81.5"
+    "react-native": "0.81.5",
+    "react-native-safe-area-context": "~5.6.0",
+    "react-native-screens": "~4.16.0"
   },
   "devDependencies": {
     "@types/react": "~19.1.0",