Examine source code of AdFreeDelfi

{
  "manifest_version": 2,
  "name": "AdFreeDelfi",
  "version": "1.1",
  "author": "H83R",
  "description": "Removes the annoying delfi.lv window \"We noticed that an ad blocker is being used\"",
  "icons": {
    "48": "img/logo.png"
  },
  "permissions": [
    "activeTab"
  ],
  "background": {
    "scripts": [
      "js/jquery-3.6.4.min.js"
    ]
  },
  "browser_action": {
    "default_icon": "img/logo.png",
    "default_title": "AdFreeDelfi",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.delfi.lv/*"
      ],
      "js": [
        "js/jquery-3.6.4.min.js",
        "js/remove.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{ff40867e-93b7-43c6-b1fb-5bc0e8d92444}"
    }
  }
}