Struct for representing Order Creation configuration

@enforce_keys [:symbol, :side, :type, :quantity, :price]
defstruct [
  symbol: nil,
  side: nil,
  type: nil,
  quantity: nil,
  price: nil,
  time_in_force: "GTC",
  new_client_order_id: nil,
  stop_price: nil,
  iceberg_quantity: nil,
  receiving_window: 1000
]