Danielle Olivera’s female fashion app was the drive behind her leaving her former tech job. The developer, who appears on Summer House, isn’t convincing anyone though – including Paige. Paige and Danielle haven’t seen eye-to-eye for several Summer House seasons. So when Danielle revealed she’s the CEO and founder of her app, Donne, her fellow cast member was doubtful. Danielle Olivera’s app DonneDanielle Olivera’s app, Donne, is a fashion-focused project that helps users “digitize” their wardrobe. She co-founded the app with her business partner, Jim, which is “designed for the everyday female…