The Celtics head to Golden State on Thursday for a 10 p.m. ET tipoff as a 3.5-point favorite; the point total is set at 217.5.  Those looking to play DFS on Celtics vs. Warriors, or any other NBA game, can sign up for Chalkboard Fantasy is providing a 100 percent deposit match up to $100 plus a free pick with  Chalkboard promo code NYPOST . Boston is 7-3 over their last 10 and allowing just 100.2 points per game in that stretch, a defensive surge that travels into a building where the Warriors