refactor: move authifier config to database package

crates/core/database/src/tasks/mod.rs

@@ -9,12 +9,14 @@ const WORKER_COUNT: usize = 5;
 
 pub mod ack;
 pub mod apple_notifications;
+pub mod authifier_relay;
 pub mod last_message_id;
 pub mod process_embeds;
 pub mod web_push;
 
 /// Spawn background workers
 pub async fn start_workers(db: Database, authifier_db: authifier::Database) {
+    task::spawn(authifier_relay::worker());
     task::spawn(apple_notifications::worker(db.clone()));
 
     for _ in 0..WORKER_COUNT {