Examine source code of Libreddit Redirect

{
  "manifest_version": 2,
  "name": "Libreddit Redirect",
  "version": "1.0",
  "description": "Redirects requests from reddit to a libreddit instance",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.reddit.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{88d33cf5-2e27-40cb-b11b-c4b67290f6d9}"
    }
  }
}