Does not work after "Add to home screen" on iOS

Hi, when adding the app to ios homescreen for pwa feel (hidden navigation bar in safari and transparent status bar) it will stop working - NotFound.js will be served 

This might be some hints: 
[https://stackoverflow.com/questions/45666525/create-react-app-not-working-when-added-to-android-home-screen](url)
[https://ayastreb.me/react-router-in-home-screen-pwa/](url)