Hi Dbe: Here are a couple of sites that tell you exactly how to do this.
You can do this! I have faith in you. Good luck
Not too hard to do! Here is a super cute project for you! https://www.hometalk.com/10684312/diy-shelf-coat-rack
Here are a bunch of ideas here on Hometalk: https://www.hometalk.com/search/posts?filter=coat%20rack%20shelf
Here are some good ideas https://www.pinterest.com/pin/267330927857992923/?lp=true
I just saw some great ideas on Hometalk -- did you check around using the search bar at the top left?