Forget HGTV’s “Flip or Flop” or “Fixer Upper,” the South Shore has its own home renovation television show. It’s called “Heart of Oak,” and Hingham has a starring role.Local builder and contractor PJ Antonik hosts the show, airing at 10 a.m. Saturdays on New England Sports Network. Season one is comprised of 13 half-hour episodes following Antonik and his team from Oak Development & Design as they take outdated South [...]