curl --request GET \
  --url https://prod.featherhq.com/api/v1/knowledge-base/files \
  --header 'X-API-Key: <api-key>'

{
  "files": [
    {
      "id": "<string>",
      "fileName": "<string>",
      "createdAt": "<string>",
      "updatedAt": "<string>",
      "collectionIds": [
        "<string>"
      ],
      "prompt": "<string>",
      "size": 123,
      "url": "<string>"
    }
  ]
}