update readme
update readme

Code4Maine/wheresyourtrash,mainecivichackday/wheresyourtrash,Code4Maine/wheresyourtrash,Code4Maine/wheresyourtrash,Code4Maine/wheresyourtrash,mainecivichackday/wheresyourtrash,mainecivichackday/wheresyourtrash,mainecivichackday/wheresyourtrash