core: logger upd

packages/hydrooj/package.json

@@ -27,6 +27,7 @@
         "moment-timezone": "^0.5.32",
         "mongodb": "^3.6.3",
         "nodemailer": "^6.4.17",
+        "p-queue": "^6.6.2",
         "serialize-javascript": "^5.0.1",
         "sockjs": "^0.3.20",
         "superagent": "^6.1.0",
@@ -58,4 +59,4 @@
         "build": "tsc",
         "build:watch": "tsc --watch"
     }
-}
+}