Boss Andy Drury has hinted he might rotate Folkestone’s squad as they aim to keep building on their good form since the turn of the year. Isthmian Premier Invicta, who previously had lost six straight matches, have now taken seven points from their three games in 204 after their 2-0 victory at play-off occupants Enfield on Saturday thanks to first-half goals from midfielder Scott Heard and striker Tom Derry. They host Cray Wanderers – also a team just above the relegation zone – tonight (7.45pm) and visit third-bottom Haringey this weekend. “We have got a busy month.” said Drury, whose team st…