By KHALED DESOUKI / AFP Laser beams illuminate a darkened restaurant-turned-dance hall in Cairo as revellers move to thumping beats from female DJs — part of a generation of women shaking up Egypt’s underground electronic music scene. Laser beams illuminate a darkened restaurant-turned-dance hall in Cairo as revellers move to thumping beats from female DJs — part of a generation of women shaking up Egypt’s underground electronic music scene. “All my life, I’ve seen men behind the decks,” said party-goer Menna Shanab, 26, as psychedelic visuals reflected off the waters at the Nile-side venue….