By Max Mallow Inter Miami officially unveiled Lionel Messi one year ago marking an extraordinary moment in Major League Soccer history. Messi’s signing and unveiling was a transcendent moment for Inter Miami and MLS. Signing the greatest player of all time seven months after capturing the World Cup brought new eyes and increased interest to the league. Even recently in MLS’ midseason attendance report, the league cited the ‘Lionel Messi Factor’ in key figures like a 13% increase in year-over-year attendance. Relive the moment below. The image of Messi holding up the now iconic pink Inter Miami…