Two first-half goals helped to guide improving Folkestone to an impressive Isthmian Premier victory at play-off occupants Enfield on Saturday. Striker Tom Derry broke the deadlock in the 13th minute and midfielder Scott Heard doubled Invicta’s lead midway through the first half with his first goal of the season in their 2-0 triumph. Recently-signed defender Jason Fregene also made his first club start at the Queen Elizabeth Stadium. It means Folkestone remain unbeaten in 2024 with seven points from three league fixtures. Second-placed Chatham edged a five-goal game at home to struggling Cheshu…