Examine source code of buggy-translate

{
  "manifest_version": 2,
  "name": "buggy-translate",
  "version": "0.2.5resigned1",
  "description": "a browser extension to translate words selected in  page",
  "homepage_url": "https://github.com/qinglangee/buggy-translate",
  "applications": {
    "gecko": {
      "id": "buggy-translate@xmalloc.com"
    }
  },
  "icons": {
    "48": "icons/bug-48.png",
    "96": "icons/bug-96.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "*://dict.youdao.com/*",
    "*://www.baidu.com/*",
    "*://cn.bing.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lib/jquery-3.2.1.min.js",
        "src/string_utils.js",
        "src/zhchlog.js",
        "src/dict_view.js",
        "src/dictionary.js",
        "src/init.js"
      ],
      "css": [
        "src/dictionary.css"
      ],
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "page": "option/option.html"
  },
  "browser_action": {
    "default_icon": "icons/bug-32.png",
    "default_title": "buggy",
    "default_popup": "popup/quick_search.html"
  },
  "web_accessible_resources": [
    "html/component.html",
    "imgs/remind.png"
  ]
}