Examine source code of Old Reddit Redirection

{
  "manifest_version": 2,
  "name": "Reddit Redirect",
  "version": "1.0",
  "description": "Redirects Reddit to old design",
  "homepage_url": "https://github.com/pncnmnp/Reddit-Redirect",
  "icons": {
    "48": "icons/redirect-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "redirect.js"
      ]
    }
  ]
}