method supabase.GoTrueClient.prototype.onAuthStateChangeimport { supabase } from "https://dotland.deno.dev/x/live@1.63.12/deps.ts"; const { GoTrueClient } = supabase; onAuthStateChange(callback: (event: AuthChangeEvent, session: Session | null) => void | Promise<void>): { data: { subscription: Subscription; }; }Receive a notification every time an auth event happens. Receive a notification every time an auth event happens. Parameterscallback: (event: AuthChangeEvent, session: Session | null) => void | Promise<void>A callback function to be invoked when an auth event happens. Returns{ data: { subscription: Subscription; }; }