In Site URL paste this url http://localhost:19006 and click “Save”.
Go to “Redirect URLs” section and click on “Add URL”.
Add this URL [app.json_scheme_variable]://**
To find out what value you need to use, head to your projects app.json file and look at "scheme": "..." value. For example it could be like this com.expoship://**.
Congrats - user authentication is now set up with Supabase and should be functional!