Cellar Events is bringing a premium wine show back to Halifax—and giving back to Alice House Finding a gap in the market and being sharp enough to fill it with your product or service is every entrepreneur’s dream, and the smartest way to identify that gap is by solving your own problems. That’s exactly what Shevaghn Darcy is doing with Cellar Events—her self-proclaimed “business baby”—and the event company that is bringing a new wine fair to the Halifax Convention Centre on Oct. 19…