First In A Series When I first started going to Governors Island, 12 years ago, I had to bring a backpack with a bottle of water and a sandwich. Now there are actual vendors with great stuff for sale to eat and drink. To kick off my feature series about the people and places on the island, I’m starting with the Brooklyn Soda Works. Caroline Mak was good enough to answer my questions. They will be in the same spot as last season, on Liggett Terrace. How would you describe your product line? We make fresh juice sodas – we don’t use any syrups and don’t make anything from concentrate.…