PREDAZZO, Italy — Domen Prevc knew he had done something special when he landed his final jump. He rolled his fists in the air, pointing his fingers skyward and took a bow as Slovenian flags waved and the crowd roared.Prevc’s jump not only helped Slovenia defend its gold medal in the mixed team event at the Milan Cortina Games on Tuesday, but he and his sibling, Nika Prevc, became the first brother and sister to win a medal in ski jumping at the same Olympics.“This medal is something I wanted since I started ski jumping,” Nika Prevc said. “But today I share it with my team and with my brother and this is even better.”Norway took silver with a foursome that included a jumper who was suspended last year in a jumpsuit-tampering scandal that caused an uproar in the sport and brought shame to the country that invented it. Japan captured its third bronze in the third ski jumping event of the Games. The Prevc siblings arrived for their Olympic debuts as the top-ranked ski jumpers in the world. Both are defending world champions, each has a record for the longest jump and they both sit far ahead of their competition on the World Cup circuit.But until Tuesday, the normal hill — the smaller of the two ski jumping hills — had not been the place for them to shine. Nika was teary-eyed Saturday after finishing second and Domen, who is not a standout on the normal hill, finished sixth on Monday.Domen Prevc said he and his sister were inspired by teammate Nika Vodan, the on …