Example URL format: https://brasilapi.com.br/api/cnpj/v1/19131243000197
Replace 19131243000197 with any valid Brazilian CNPJ number.
It returns a tibble with essential information such as the company's legal name, trade name,
address, primary activity, and registration status.
The function makes an HTTP GET request to the BrasilAPI CNPJ endpoint and processes the JSON response
into a structured tibble. It only returns fields that are essential and informative for the user.