core: add hydrooj install command

packages/hydrooj/package.json

@@ -52,6 +52,7 @@
         "semver": "^7.3.8",
         "serialize-javascript": "^6.0.0",
         "superagent": "^8.0.3",
+        "tar": "^6.1.12",
         "thirty-two": "^1.0.2",
         "ws": "^8.10.0"
     },
@@ -72,6 +73,7 @@
         "@types/semver": "^7.3.13",
         "@types/serialize-javascript": "^5.0.2",
         "@types/superagent": "^4.1.15",
+        "@types/tar": "^6.1.3",
         "moment": "^2.29.4"
     }
 }