By Michele Kambas and James Pearson NICOSIA/LONDON (Reuters) – A 24-year-old videogame designer who runs his small business out of a home next to an old Cypriot church in a quiet suburb of Nicosia now finds himself entangled in a global crisis following the Russian invasion of Ukraine. Polis Trachonitis’ firm, Hermetica Digital Ltd, has been implicated by U.S. researchers in a data-shredding cyberattack that hit hundreds of computers in Ukraine, Lithuania, and Latvia. Discovered on Wednesday night just hours before Russian troops rolled into Ukraine, the cyberattack was widely seen as the open…