Examine source code of Old Reddit Revival

{
  "manifest_version": 2,
  "name": "Old Reddit Redirect",
  "version": "1.1resigned1",
  "description": "Automatically redirect to old Reddit",
  "icons": {
    "48": "icons/oldRedditRedirect48.png",
    "96": "icons/oldRedditRedirect96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "index.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{74e1caea-c20b-41ce-b618-65ae14daf2f8}"
    }
  }
}