message: chore: update the description and keywords in package.json
diff: {
  "name": "zrender",
  "version": "5.2.1",
  - "description": "A lightweight canvas library.",
  + "description": "A lightweight graphic library providing 2d draw for Apache ECharts",
  "keywords": [
  "canvas",
  - "2d"
  + "svg",
  + "2d",
  + "html5",
  + "vector-graphics"
  ],
  "repository": {
  "type": "git",
  