Create Characteristicpost https://{environment}.neomode.com.br/management/catalog/products/{productId}/characteristicsCreates a new product characteristic.Request body example: JSON{ "key": "Cor", "value": "Vermelho", "order": 0 } Fields description: FieldTypeDescriptionidGuidCharacteristic IDproductIdGuidProduct IDkeyStringA key that represents this characteristicvalueStringA definition of value for a key