feat: Add download manager

src/server.ts

@@ -50,5 +50,11 @@ PackService.getInitialList().then(() => {
   httpServer.listen(PORT, () =>
     console.log(`The server is running on port ${PORT}`)
   );
-  console.log('initialized with ',PackService.getPackList().length, 'packs in ', Math.round(performance.now() - start), 'ms')
+  console.log(
+    "initialized with ",
+    PackService.getPackList().length,
+    "packs in ",
+    Math.round(performance.now() - start),
+    "ms"
+  );
 });