Migrating Instagram Content to Firebase Application

* optional: Firebase Login with Instagram
debugging: https://instagram-auth.appspot.com/ (this site doesn't work)
may be related: 
https://status.firebase.google.com/incident/Authentication/18002
https://github.com/firebase/firebaseui-web/issues/30

Grab all pictures and user info
implement authorization window: 
https://developers.facebook.com/docs/instagram-basic-display-api/overview#authorization-window
https://developers.facebook.com/docs/instagram-basic-display-api/guides/getting-access-tokens-and-permissions
https://developers.facebook.com/docs/instagram-basic-display-api/overview

alternate library for react-native: https://github.com/hungdev/react-native-instagram-login#readme

Do you want to rehost the images and videos or do you want to simply reference them from within the application?