Examine source code of Old Reddit Mobile

{
  "name": "Old Reddit Mobile",
  "description": "Forces Reddit to always load the old mobile design for a familiar and streamlined browsing experience",
  "version": "1.4.0",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://reddit.com/*",
    "*://www.reddit.com/*",
    "*://np.reddit.com/*",
    "*://amp.reddit.com/*",
    "*://old.reddit.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{64f54d8c-ba49-43af-8d2e-3ffee7f47ed8}"
    }
  }
}