Whitstable manager Marcel Nimani has joined those offering their best wishes to winger Harry Gamble. Gamble, who started the campaign with the Oystermen before he joined Beckenham on dual registration, sustained a head injury which led to Becks’ Isthmian South East game at Phoenix Sports being abandoned on New Year’s Day. Beckenham provided an update later that night, stating Gamble had suffered a bad concussion – but, crucially, no serious injury to his neck or head. Nimani said: “It was a very fearful moment. “I was at home following the games live. When I heard it was Harry Gamble, I immedi…