message: fix: add missing tunnel-error dir
diff: "license": "MIT",
  "main": "cli.js",
  "scripts": {
  - "build": "tsc --build tsconfig.prod.json && cp -r ./src/server/host ./server/host",
  + "build": "tsc --build tsconfig.prod.json && cp -r ./src/server/host ./server/host && cp -r ./src/server/tunnel-error ./server/tunnel-error",
  "check": "prettier --check \"**/src/**/*.{ts,tsx}\"",
  "format": "prettier --write \"**/src/**/*.{ts,tsx}\"",
  "lint": "eslint ./src --ext .ts,.tsx --format codeframe",
  