By Niamh Spence A sweet thank you note from Meghan Markle has been shared online after the Duchess of Sussex thanked an artist for her sketches. Artist Jennifer Vallez, who specialises in sketches of the royal family, has previously drawn out scenes of the couple including the couple’s announcement of their second pregnancy, Meghan with her mother Doria and a hand drawn sketch of an official royal photo from Prince Archie’s christening in the UK. Sharing a picture of the framed handwritten note from the Duchess alongside a cartoon figure of Meghan in her wedding dress, Vallez uploaded the snap…