Set your Supabase credentials: replace https://sgjaxhrbndcdgebnlrcb.supabase.co and eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6InNnamF4aHJibmRjZGdlYm5scmNiIiwicm9sZSI6ImFub24iLCJpYXQiOjE3Nzg5OTUxODIsImV4cCI6MjA5NDU3MTE4Mn0.n0K93WkGsi5wBKUnaHMFiIYGeGUgNR-YOjXdsBpjUk0 near the top of this file, then run the SQL setup below.