static <C> @NonNull HelpHandlerFactory<C> standard(
            final @NonNull CommandManager<C> commandManager
    ) {
        return new StandardHelpHandlerFactory<>(commandManager);
    }
Returns a factory that produces instances of {@link StandardHelpHandler}.

@param <C>            the command sender type
@param commandManager the command manager
@return the factory instance
cloud-core/src/main/java/org/incendo/cloud/help/HelpHandlerFactory.java