Meghan, Duchess of Sussex is reportedly aiming to make cash selling dog treats and chicken feed. The mum-of-two, 42, who has son Archie, four, and two-year-old daughter Lilibet with her husband Prince Harry, 39, has lodged papers to trademark the initials of her new American Riveria Orchard business. According to The Sun, the documents show they have trademarked the firm for: “Pet food; Edible pet treats; Bird seed”. The outlet said the application is being “pored over by attorneys at the US government department” to “make sure it does not clash with any trademarks which have already been gran…