Germany Porsche will boost the number of jobs for its first all-electric model by more than half from previous targets as part of parent Volkswagen’s (VW) push to overcome its emissions scandal by embracing zero-emission cars and digital services. Porsche, the No. 2 contributor to VW group profit, plans to create at least 1,400 jobs to develop, build and sell the battery-powered Mission E, a rival to Tesla’s Model S, that is due to roll…