Examine source code of Nucas

{
  "manifest_version": 2,
  "name": "Nucas",
  "version": "1.1.0",
  "description": "A Simple and Minimal redirector for Reddit, Twitter and YouTube to their privacy respecting counterparts.",
  "icons": {
    "48": "logo-48.png",
    "96": "logo-96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "logo-48.png",
    "default_title": "Nucas",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "main.js"
    ]
  }
}