Make a gift in honor of the good that comes from BDN journalism in your hands, and help raise $60,000 this spring to support our reporting. Make a donation now. The last large-scale sardine cannery in the state closed in 2010, but Joshua Scherz, co-founder of Maine Canned Fish, aims to package flounder, cod, oysters and other seafood in attractive tins to offer new marketing opportunities for fishermen up and down the coast. His canning operati…