Examine source code of Crunchyroll Auto-Refresh Plus

{
  "manifest_version": 2,
  "name": "Crunchyroll Auto-Refresh Plus",
  "version": "0.1",
  "description": "Crunchyroll Auto-Refresh adds a convenient field to Crunchyroll, allowing you to automatically refresh the page at a set time. Whether you're waiting for new episodes or want to ensure you don't miss any updates, this extension takes care of it for you",
  "icons": {
    "48": "icon-48.png"
  },
  "content_scripts": [
    {
      "exclude_matches": [
        "*://*.crunchyroll.com/home/*",
        "*://*.crunchyroll.com/",
        "*://*.crunchyroll.com/videos/*",
        "*://*.crunchyroll.com/comics*/*",
        "*://*.crunchyroll.com/*news*",
        "*://*.crunchyroll.com/user/*",
        "*://*.crunchyroll.com/login"
      ],
      "matches": [
        "*://*.crunchyroll.com/*"
      ],
      "js": [
        "refresh.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{1f1e78bc-f4b9-467b-9586-4dc224710d83}"
    }
  }
}