Gillingham manager Mark Bonner was pleased to see forward Jayden Clarke continue to prove some people wrong. Clarke scored his fifth goal of the season on Saturday, coming off the bench to head in the winner against Port Vale, in a 1-0 win at Priestfield. The winger, who joined the Gills last January from non-league Dulwich Hamlet, has played in every game so far this season. “It was a brilliant moment for him,” said the Gills boss, commenting on the 81st-minute winner. “He just continues improving and getting better and proving some people wrong. “He’s a really good player, he’s really talent…