@type t() :: %BexioApiClient.Contacts.AdditionalAddress{
  address: String.t(),
  address_addition: String.t() | nil,
  city: String.t(),
  country_id: integer(),
  description: String.t(),
  house_number: String.t() | nil,
  id: integer(),
  name: String.t(),
  name_addition: String.t() | nil,
  postcode: String.t(),
  street_name: String.t() | nil,
  subject: String.t()
}

Bexio Additional Address.

Fields:

• :id - automatic id given by bexio
• :name - name
• :name_addition - addition to the name
• :address - street and additional address information
• :street_name - street name (the :address field is deprecated by bexio in favor of the structured address fields)
• :house_number - house number
• :address_addition - additional address information
• :postcode - postal code / zip
• :city - city
• :country_id - reference to a TODO: country object
• :subject - title for the address
• :description - full description of the address (internal)