message: chore(demo): update demo npm script & add build:analyze
diff: "description": "",
  "main": "index.js",
  "scripts": {
  - "start": "./node_modules/.bin/remax dev",
  - "build": "./node_modules/.bin/remax build"
  + "start": "remax dev",
  + "build": "remax build",
  + "build:analyze": "remax build --analyze"
  },
  "author": "",
  "license": "MIT",
  