fix(example): add iOS Expo Media Library permissions to prevent crash

Author: mr3od

example/app.json

@@ -29,6 +29,15 @@
       "favicon": "./assets/favicon.png",
       "bundler": "metro"
     },
-    "plugins": ["expo-router"]
+    "plugins": [
+      "expo-router",
+      [
+        "expo-media-library",
+        {
+          "photosPermission": "Allow $(PRODUCT_NAME) to access your photos.",
+          "savePhotosPermission": "Allow $(PRODUCT_NAME) to save photos."
+        }
+      ]
+    ]
   }
 }