Examine source code of Reddit Redirect

{
  "manifest_version": 2,
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "permissions": [
    "*://reddit.com/*",
    "*://www.reddit.com/*",
    "*://np.reddit.com/*",
    "*://new.reddit.com/*",
    "webRequest",
    "webRequestBlocking"
  ],
  "background": {
    "scripts": [
      "redirect.js"
    ]
  },
  "version": "1.0.3resigned1",
  "name": "Reddit Redirect",
  "description": "Redirect all requests to the old reddit site",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e6b113f3-c4bf-4e02-9d66-70a2e07441a3}"
    }
  }
}