Examine source code of Ictihub UYAP Sync

{
  "manifest_version": 3,
  "name": "Ictihub UYAP Sync",
  "version": "0.4.0",
  "description": "Cookie Forwarder — captures UYAP & Ictihub session keys for ictihub.com",
  "browser_specific_settings": {
    "gecko": {
      "id": "uyap-sync@ictihub.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "websiteActivity"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "cookies"
  ],
  "host_permissions": [
    "https://*.uyap.gov.tr/*",
    "https://ictihub.com/*",
    "https://*.ictihub.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://ictihub.com/*",
        "https://*.ictihub.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}