Departing Whitstable manager Marcel Nimani has described his spell in charge of the club as 18 months’ worth of great lessons learned. Nimani surprisingly left the Southern Counties East Premier Division side alongside coach Craig Coles last week. He became Whitstable’s fifth boss in just 13 months in October 2022. While Nimani and Coles provided some much-needed consistency, also making the Kent Senior Trophy Semi-Final this term, they appeared likely to miss out on Isthmian Leaguepromotion for a second successive season, albeit a top-five finish and a place in the newly-formed play-offs – so…