Oh, consider me intrigued!  JTBC just announced its newest kdrama, “Princess Maker,” and already casting offers are flying. Top talents Yum Jung Ah(Mirror of the Witch), Oh Na Ra(My Ajusshi), and Kim Jung Eun(Duel) are considering the leading female roles.  While the PD from “Mirror of the Witch” (Jo Hyun Tak) has already signed on to direct, and the writer from…