Examine source code of Goodreads → Readarr

{
  "manifest_version": 2,
  "name": "Goodreads → Readarr",
  "version": "0.2.0",
  "description": "Search in Readarr from Goodreads book pages",
  "content_scripts": [
    {
      "matches": [
        "https://www.goodreads.com/book/show/*",
        "https://www.goodreads.com/author/show/*"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "options_ui": {
    "page": "options.html",
    "browser_style": true,
    "open_in_tab": true
  },
  "browser_action": {
    "default_title": "Goodreads → Readarr",
    "default_popup": "popup.html",
    "default_icon": "icons/icon.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "goodreads-readarr@eudes.es",
      "data_collection_permissions": {
        "collects_data": false,
        "data_sharing": false,
        "policy_text": "This add-on does not collect, store, or transmit user data.",
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icons/icon.svg",
    "96": "icons/icon.svg",
    "128": "icons/icon.svg"
  },
  "permissions": [
    "storage",
    "tabs",
    "https://www.goodreads.com/*"
  ]
}