message: fix: add package.json into pkg.exports in package.json of rest-api-client
diff: "qs": "^6.9.4"
  },
  "exports": {
  + ".": {
  "node": {
  "import": "./index.mjs",
  "require": "./lib/index.js",
  "default": "./lib/index.js"
  },
  "browser": "./lib/index.browser.js"
  + },
  + "./package.json": "./package.json"
  }
  }
  