judge: daemon mode

packages/hydrojudge/package.json

@@ -1,6 +1,7 @@
 {
     "name": "@hydrooj/hydrojudge",
-    "version": "2.0.15",
+    "bin": "bin/hydrojudge.js",
+    "version": "2.1.0",
     "main": "package.json",
     "author": "masnn",
     "dependencies": {
@@ -28,4 +29,4 @@
         "build": "tsc",
         "lint": "eslint . --ext ts --fix"
     }
-}
+}