A recently introduced “revenge porn” statute could be a powerful tool for the woman who was photographed nude in a gym by Playboy Playmate Playboy Playmate Dani Mathers’ Snapchat indiscretion could end up costing her big-time, if the subject of the body-shaming post she published earlier this month decides to file suit. Mathers — who took a photo of an unwitting nude woman at her gym and posted …