Examine source code of Coverquest Button Fixer

{
  "manifest_version": 3,
  "name": "Coverquest Button Fixer",
  "version": "1.1",
  "description": "Injects a button into coverquest that makes copy work on mobile properly.",
  "permissions": [
    "scripting",
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://coverquest.jbonet.xyz/"
      ],
      "js": [
        "buttonFix.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "48": "icons/border-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{d7b1f6b2-9f7d-4a93-a67f-df3042eb4b38}",
      "strict_min_version": "109.0"
    }
  }
}