List portfolio entries

curl --request GET \
  --url https://mkk.celebi.me/api/portfolio-entries

{
  "total": 123,
  "limit": 123,
  "offset": 123,
  "portfolio_entries": [
    {
      "id": 123,
      "document_id": 123,
      "disclosure_index": "<string>",
      "file_name": "<string>",
      "fund_code": "<string>",
      "fund_title": "<string>",
      "period": "<string>",
      "section": "<string>",
      "security": "<string>",
      "isin": "<string>",
      "issuer": "<string>",
      "bank": "<string>",
      "maturity_date": "<string>",
      "transaction_date": "<string>",
      "price": "<string>",
      "numeric_price": 123,
      "transaction_value": "<string>",
      "numeric_transaction_value": 123,
      "nominal_value": "<string>",
      "numeric_nominal_value": 123,
      "market_value": "<string>",
      "numeric_market_value": 123,
      "rate": "<string>",
      "numeric_rate": 123,
      "amount": "<string>",
      "numeric_amount": 123,
      "currency": "<string>",
      "raw_row": "<string>",
      "columns": [
        {
          "header": "<string>",
          "key": "<string>",
          "value": "<string>"
        }
      ]
    }
  ]
}