feat(channel): add auto-schedule feature to channels with background scheduler

k-tv-backend/api/src/routes/channels/crud.rs

@@ -76,6 +76,9 @@ pub(super) async fn update_channel(
     if let Some(rp) = payload.recycle_policy {
         channel.recycle_policy = rp;
     }
+    if let Some(auto) = payload.auto_schedule {
+        channel.auto_schedule = auto;
+    }
     channel.updated_at = Utc::now();
 
     let channel = state.channel_service.update(channel).await?;