export_json: Enable JSON export
export_txt: Enable TXT export
export_xml: Enable XML export
-pocket_consumer_key: Consumer key for Pocket to import contents (https://getpocket.com/developer/docs/authentication)
import_with_rabbitmq: Enable RabbitMQ to import data asynchronously
import_with_redis: Enable Redis to import data asynchronously
shaarli_url: Shaarli URL, if the service is enabled