In 2020, Meghan Markle and Prince Harry signed a multi-book deal with Penguin Random House, and now critics wonder if the Duchess of Sussex will publish her side of the royal feud. In Harry & Meghan, the actress called her sister-in-law, Kate Middleton, “formal,” and a former royal staffer hopes the Californian will avoid attacking the Princess of Wales in her rumored tell-all project. “I am waiting for Meghan to release her own memoir,” Princess Diana’s butler, Paul Burrell, told an outlet. “[She] is inevitably going to write her side of the story because of how absent she was from Spare, and…