A 32-year-old Long Island woman has been charged in a 13-count grand jury indictment with aggravated manslaughter, aggravated criminally negligent homicide and impaired driving, among other offenses, in the hit-and-run death of a veteran NYPD cop who was assisting at an accident scene last month. Jessica Beauvais was allegedly driving while intoxicated and with a suspended license when she hit…