message: add prepublish to graphql-language-service
diff: "graphql",
  "graphql-language-service"
  ],
  + "scripts": {
  + "test": "echo 'Please run `npm test` from the root of the repo' && exit 1",
  + "build": "npm run build-js && npm run build-flow",
  + "build-js": "babel-node ../../resources/buildJs.js",
  + "build-flow": "babel-node ../../resources/buildFlow.js",
  + "prepublish": "node ../../resources/prepublish.js"
  + },
  "peerDependencies": {
  "graphql": "^0.6.0 || ^0.7.0 || ^0.8.0-b || ^0.9.0 || ^0.10.0"
  },
  