Examine source code of CodeHub

{
  "name": "CodeHub",
  "description": "Automatically pushes your Codewars submissions to GitHub",
  "homepage_url": "https://github.com/FebinBellamy/CodeHub",
  "version": "2.0.3",
  "author": "Febin Bellamy",
  "action": {
    "default_icon": {
      "16": "assets/codehubIcon.png",
      "24": "assets/codehubIcon.png",
      "32": "assets/codehubIcon.png"
    },
    "default_title": "CodeHub",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "assets/codehubIcon16x16.png",
    "48": "assets/codehubIcon48x48.png",
    "128": "assets/codehubIcon128x128.png"
  },
  "background": {
    "page": "background.html"
  },
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "webNavigation",
    "activeTab"
  ],
  "host_permissions": [
    "https://www.codewars.com/*",
    "https://github.com/*",
    "https://api.github.com/*"
  ],
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "codehub-extension@yourdomain.com"
    }
  }
}