feat(Core): gracefully shutdown router/scheduler if Redis is unavailable (#891)

Co-authored-by: prajjwal kumar <prajjwal.kumar@prajjwalkumar-DWKH9NPY4R.local>
Co-authored-by: Nishant Joshi <nishant.joshi@juspay.in>
Co-authored-by: Arun Raj M <jarnura47@gmail.com>

crates/router/src/bin/router.rs

@@ -42,7 +42,6 @@ async fn main() -> ApplicationResult<()> {
     let (server, mut state) = router::start_server(conf)
         .await
         .expect("Failed to create the server");
-
     let _ = server.await;
 
     state.store.close().await;