message: chore(dev host and port): change default host and port of dev
diff: "module": "dist/bscroll.esm.js",
  "typings": "dist/types/index.d.ts",
  "scripts": {
  - "dev": "webpack-dev-server --config ./build/example/webpack.dev.conf.js",
  + "dev": "webpack-dev-server --config ./build/example/webpack.dev.conf.js --host 0.0.0.0 --port 8932",
  "lint": "tslint --project tsconfig.json -t codeFrame 'src/**/*.ts' 'test/**/*.ts'",
  "prebuild": "rimraf dist",
  "build": "node build/build.js",
  