Examine source code of TIM CopyHighlighter

{
  "manifest_version": 3,
  "name": "TIM CopyHighlighter",
  "version": "2.1.39",
  "description": "odkreśla i dodaje kopiowanie MFG, FV, SKU, nr zamówienia, nr reklamacji, nr telefonu, adres z kodem pocztowym, NIP w Redmine. Dodatkowo szybkie linki dla MFG, SKU, nr zamówienia, FV, SRV.",
  "permissions": [
    "clipboardWrite",
    "storage"
  ],
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_title": "Ustawienia TIM CopyHighlighter",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png",
      "48": "icon48.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://pomoc.tim.pl/*",
        "https://*.tim.pl/*",
        "https://tbasiura.tim.test.divante.pl/*",
        "https://jira.cloudflight.io/browse/*",
        "https://fav.tim.pl/*",
        "https://srv.tim.pl/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tim-highlighter6@tim.pl",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}