A scholarship fund has been set up for the son of a Brooklyn mother who was killed by a hit-and-run driver on Christmas morning in Crown Heights.State Sen. Eric Adams (D-Brooklyn) says a coalition of Jewish leaders already donated $25,000 toward a college education for Donna Fountain's son.Fountain, 38, was struck by a car on Eastern Parkway on her way to work. Her neighbor says the mother wrote on a piece of paper a list of dreams she had for herself and her family, one of which was to make sure her son graduates from college.