Examine source code of Teddit Redirect

{
  "name": "Teddit Redirect",
  "description": "Redirects to an open source and free frontend of reddit.",
  "version": "1.6.0",
  "manifest_version": 2,
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "content_scripts": [
    {
      "js": [
        "background.js"
      ],
      "matches": [
        "*://teddit.net/*"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://reddit.com/*",
    "*://www.reddit.com/*",
    "*://np.reddit.com/*",
    "*://amp.reddit.com/*",
    "*://i.reddit.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cd9380ee-99a4-4d39-8045-825a824db434}"
    }
  }
}