Examine source code of Revelio

{
  "manifest_version": 3,
  "name": "Revelio",
  "version": "1.0.0",
  "description": "Premium, intelligent news aggregator.",
  "browser_specific_settings": {
    "gecko": {
      "id": "revelio@newsbox.app",
      "strict_min_version": "112.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "alarms",
    "tabs",
    "notifications"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "action": {
    "default_popup": "index.html",
    "default_title": "Revelio",
    "default_icon": {
      "16": "favicon.svg",
      "48": "favicon.svg",
      "128": "favicon.svg"
    }
  },
  "background": {
    "service_worker": "assets/background.js",
    "scripts": [
      "assets/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "assets/content.js"
      ]
    }
  ],
  "icons": {
    "16": "favicon.svg",
    "48": "favicon.svg",
    "128": "favicon.svg"
  }
}