Examine source code of Komoot extension

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Komoot extension",
  "description": "This extension allows us to export the Komoot track in a GPX file.",
  "version": "1.12",
  "manifest_version": 3,
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.komoot.es/*",
        "https://www.komoot.it/*",
        "https://www.komoot.com/*",
        "https://www.komoot.fr/*",
        "https://www.komoot.nl/*",
        "https://www.komoot.de/*"
      ],
      "js": [
        "tracker.js",
        "translations.js",
        "exporter-script.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "komootextension@ulysses.extensions",
      "strict_min_version": "109.0"
    }
  }
}