message: docs(cli): update README.md
diff: @@ -35,6 +35,7 @@ yarn add @vant/cli --dev
  "dev": "vant-cli dev",
  "test": "vant-cli test",
  "lint": "vant-cli lint",
  + "build": "vant-cli build",
  "release": "vant-cli release",
  "build-site": "vant-cli build-site"
  },
  