Examine source code of Redirectofmoney

{
  "manifest_version": 2,
  "name": "Redirectofmoney",
  "short_name": "Redirectof",
  "description": "redirects you to wasteof.money when you go to twitter.com",
  "version": "1.0.0",
  "browser_action": {
    "default_icon": "/img/icon128.png",
    "default_title": "Redirectof"
  },
  "icons": {
    "16": "/img/icon16.png",
    "48": "/img/icon48.png",
    "128": "/img/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitter.com/*"
      ],
      "js": [
        "redirect.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "polygononscratch@gmail.com"
    }
  }
}