WOONSOCKET — On Feb. 18, Lisa Simpson’s day got off to a bad start.But little did she know that a good deed performed by a general manager at the local Planet Fitness would get her day back on track — or the video of that kind act would later be shared on Facebook more than 1,000 times.Simpson is a caretaker for Christopher “CJ” Wagner Jr., a 22-year-old Burrillville man with Down syndrome.