Examine source code of Reddit Redirect

{
  "author": "Sea Nettle Studios",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "description": "Redirect from reddit.com to old.reddit.com",
  "icons": {
    "48": "redirect.svg"
  },
  "manifest_version": 2,
  "name": "Reddit Redirect",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://reddit.com/*",
    "*://www.reddit.com/*"
  ],
  "version": "1.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{cd69a174-6c8c-4367-b86b-0cd6100a1b7f}"
    }
  }
}