By Mollie Quirk SXSW has announced that Meghan Markle has joined the lineup for the South by Southwest Music Festival, which will take place between March 8 and March 16. South by Southwest, which is also referred to as SXSW, is a festival that celebrates the convergence of tech, film, music, education, and culture. For 2024, the festival will take place in Austin, Texas. And now, Meghan, the Duchess of Sussex, has been announced as one of the participants for this year’s festival. Meghan is gearing up to participate in the opening day keynote which is titled Breaking Barriers, Shaping Narrati…