(Reuters) -A U.S. federal appeals court on Friday put on hold the Food and Drug Administration’s ban on sales of Juul Labs Inc’s e-cigarettes, after the company appealed the health agency’s order and said the ban would cause it “irreparable harm”. The U.S. Court of Appeals for the District Of Columbia Circuit said the purpose of the stay was to allow the court sufficient time to consider Juul’s briefing for an emergency review and not a ruling on the merits of that motion. The once red-hot vape company has also been working with its legal advisers on options that include a possible bankruptcy …