don't immediately run fetcher a second time on startup

src/main.rs

@@ -50,10 +50,10 @@ async fn start_updater() -> Result<web::Data<AppState>, Error> {
     std::thread::spawn(move || {
         actix_web::rt::System::new().block_on(async {
             loop {
+                actix_web::rt::time::sleep(*UPDATE_INTERVAL).await;
                 if let Err(e) = try_update(&state_copy, &mut fetcher).await {
                     eprintln!("Error updating data: {:#?}", e);
                 }
-                actix_web::rt::time::sleep(*UPDATE_INTERVAL).await;
             }
         });
     });