message: chore(manifest): change assets to static
diff: "default_locale": "zh_CN",
  "icons": {
  - "16": "assets/icon-16.png",
  - "48": "assets/icon-48.png",
  - "128": "assets/icon-128.png"
  + "16": "static/icon-16.png",
  + "48": "static/icon-48.png",
  + "128": "static/icon-128.png"
  },
  "options_page": "options.html",
  "panel.html",
  "panel.js",
  "panel.css",
  - "assets/*"
  + "static/*"
  ],
  "browser_action": {
  "default_icon": {
  - "19": "assets/icon-19.png",
  - "38": "assets/icon-38.png"
  + "19": "static/icon-19.png",
  + "38": "static/icon-38.png"
  },
  "default_popup": "popup.html"
  },
  