Examine source code of Monkeytype Quote Tracker

{
  "manifest_version": 3,
  "name": "Monkeytype Quote Tracker",
  "version": "3.4.1",
  "description": "Additional features for quotes on Monkeytype",
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "nord16.png",
    "32": "nord32.png",
    "48": "nord48.png",
    "128": "nord128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://monkeytype.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b93975aa-c001-3439-7903-49073714c431}",
      "strict_min_version": "129.0"
    }
  }
}