Examine source code of BookBuyer

{
  "manifest_version": 2,
  "name": "BookBuyer",
  "author": "JonDerThan",
  "version": "1.2.2",
  "description": "Allows for quick searching of goodread books on an arbitrary website.",
  "homepage_url": "https://github.com/JonDerThan/bookbuyer",
  "icons": {
    "16": "bookbuyer-favicon.png"
  },
  "browser_action": {
    "default_icon": "bookbuyer-favicon.png",
    "default_title": "BookBuyer",
    "default_popup": "options.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.goodreads.com/*"
      ],
      "js": [
        "bookbuyer.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "options.html",
    "bookbuyer-favicon.png"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bookbuyer@JonDerThan.github.com"
    }
  }
}