Add doc comment as a bonus

ryoqun · ryoqun · commit baeb0c4cbaf9 · 2023-10-21T13:34:06.000+09:00
diff --git a/runtime/src/installed_scheduler_pool.rs b/runtime/src/installed_scheduler_pool.rs
@@ -1,3 +1,6 @@
+//! Currently, there's only one auxiliary type called BankWithScheduler.. This file will be
+//! populated by later PRs to align with the filename.
+
 #[cfg(feature = "dev-context-only-utils")]
 use qualifier_attr::qualifiers;
 use {
