Examine source code of New Reddit Redirect

{
  "name": "New Reddit Redirect",
  "author": "Erisa Arrowsmith",
  "description": "Ensure Reddit always loads your preferred design (Mostly designed for New)",
  "version": "1.0.1",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://old.reddit.com/*",
    "*://new.reddit.com/*",
    "*://np.reddit.com/*"
  ]
}