I recently converted my 8x8 shed into coop, and here's pics in case you're interested in seeing what I did;
https://www.backyardchickens.com/t/630215/i-started-converting-my-shed-into-a-coop
https://www.backyardchickens.com/t/630215/i-started-converting-my-shed-into-a-coop