By Matt Hardy Nothing conjures up images of east London quite like the warm Mediterranean and a plethora of casinos, right? Because that’s where Formula E’s sporting director Frederic Espinos believes organisers of the London E-Prix should set their sights. Alright, the Swiss bigwig isn’t actually suggesting that Formula E turn the banks of the Thames adjacent to the Excel Centre into a metropolis of gambling and sunshine. But he does insist the capital can be to his racing series what Monaco is to Formula 1. You don’t need to be an F1 fanatic to understand the aura that Monaco race weekend ha…