Add todo note for adding failed count in future

Author: Sakib25800

src/github/server.rs

@@ -133,6 +133,7 @@ async fn queue_handler(
 
     let prs = state.db.get_nonclosed_pull_requests(&repo.name).await?;
 
+    // TODO: add failed count
     let (approved_count, rolled_up_count) = prs.iter().fold((0, 0), |(approved, rolled_up), pr| {
         let is_approved = if pr.is_approved() { 1 } else { 0 };
         let is_rolled_up = if matches!(pr.rollup, Some(RollupMode::Always)) {