The site used to have an official one posted by myself and a group of other volunteer users a while back, but gradually our team drifted apart and my promotion as mod left me unable to continue it. A few of these are still hosted in my Gallery, but the rest have long since faded away.
You are indeed welcome to try to start one here, just make sure you put it in the right forum. If it's going to be a completely graphics designed newsletter, it would be better suited for the
Creative Coffers, otherwise you would be best to put it in
The Sailor's Yarn.