Examine source code of Old Reddit Redirect

{
  "manifest_version": 2,
  "name": "Old Reddit Redirect",
  "version": "1.0",
  "description": "Redirects new reddit pages to old reddit",
  "content_scripts": [
    {
      "matches": [
        "*://www.reddit.com/*"
      ],
      "js": [
        "redirect.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cd1cb6b6-2ad8-4cf2-be49-a727a04af747}"
    }
  }
}