pub const RON_EXTENSION: &'static str = "ron";
pub const JSON_EXTENSION: &'static str = "json";

pub const SETTING_FOLDER: &'static str = "settings";
pub const ID_FOLDER: &'static str = "by_id";
pub const APP_ID_FOLDER: &'static str = "by_app_id";
pub const USER_ID_FOLDER: &'static str = "by_user_id";
pub const TAG_FOLDER: &'static str = "by_tag";