Examine source code of Sodexo csv export

{
  "manifest_version": 2,
  "name": "Sodexo csv export",
  "version": "0.0.3",
  "description": "(Not affiliated with the company, just providing missing functionality) Provides an additional button for download of transactions as csv file.",
  "content_scripts": [
    {
      "matches": [
        "*://*.mysodexocard.de/transaktionen/"
      ],
      "js": [
        "content_scripts/index.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "contextMenus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5917791c-3ea9-41a0-b2c1-b2aae2a346d0}"
    }
  }
}