feat: implement apple push notifications

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

@@ -8,12 +8,15 @@ use std::time::Instant;
 const WORKER_COUNT: usize = 5;
 
 pub mod ack;
+pub mod apple_notifications;
 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(apple_notifications::worker(db.clone()));
+
     for _ in 0..WORKER_COUNT {
         task::spawn(ack::worker(db.clone()));
         task::spawn(last_message_id::worker(db.clone()));