Kylian Mbappe’s exit from Paris Saint-Germain could start a domino effect that lures Qatar into an Everton takeover. The 24-year-old has joined Real Madrid in one of the most anticipated moves in recent football history. He departs PSG after six seasons in the French capital where he has earned hundreds of millions in one of the most lucrative deals of all time. His paymasters during his time at Parc de Princes were Qatar Sports Investment, the sovereign wealth funded group fronted by Qatari dignitary Nasser Al-Khelaifi. QSI and Al-Khelaifi have become hugely influential in football. But, with…