Examine source code of TopCashback UK Browser Extension

{
  "name": "TopCashback UK: Get Cashback & Vouchers",
  "short_name": "TopCashback",
  "version": "7.9.0.0",
  "description": "Join over 20m members to earn cashback and get the best vouchers when you shop online with the TopCashback browser extension",
  "homepage_url": "https://www.topcashback.co.uk",
  "author": "TopCashback",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "notifier@topcashback.co.uk"
    }
  },
  "incognito": "not_allowed",
  "permissions": [
    "activeTab",
    "tabs",
    "storage",
    "unlimitedStorage",
    "cookies",
    "alarms",
    "nativeMessaging",
    "scripting",
    "webNavigation",
    "webRequest"
  ],
  "background": {
    "scripts": [
      "vendors/bundle.js",
      "bg/bundle.js"
    ]
  },
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "all_frames": false,
      "js": [
        "vendors/bundle.js",
        "content/bundle.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_icon": "icon-32.png",
    "default_title": "TopCashback UK Get Cashback & Vouchers",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icon-32.png",
    "18": "icon-32.png",
    "32": "icon-32.png",
    "128": "icon-32.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "content/*.css",
        "content/*.svg",
        "icon-32.png",
        "icon-32-active.png",
        "icon_loop/*.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}