core: add task manager

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.26.8",
+    "version": "2.26.9",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",
@@ -17,7 +17,6 @@
         "cookies": "^0.8.0",
         "detect-browser": "^5.1.1",
         "fs-extra": "^10.0.0",
-        "inquirer": "^8.0.0",
         "js-yaml": "^4.0.0",
         "koa": "^2.13.1",
         "koa-body": "^4.2.0",
@@ -41,7 +40,6 @@
     "devDependencies": {
         "@types/adm-zip": "^0.4.34",
         "@types/fs-extra": "^9.0.10",
-        "@types/inquirer": "^7.3.1",
         "@types/js-yaml": "^4.0.0",
         "@types/koa": "^2.13.1",
         "@types/koa-compress": "^4.0.1",