NBCUniversal, which invested $500 million in Snap Inc. just before its IPO in March, is taking the investment to the next level by teaming up with the social networking company on a new digital content studio tasked with adding a scripted programming to Snap’s Shows platform. The companies have an equal investment in the yet-to-be-named venture. The Santa Monica, Calif.-based outfit will be headed by chief content officer Lauren Anderson, an NBC Entertainment veteran who…