Maintaining a separate chromium-vaapi package in rpmfusion

Hi. I'm the maintainer of chromium-vaapi package from copr(https://copr.fedorainfracloud.org/coprs/hellbangerkarna/Chromium-Vaa.... Recently I was contacted by Nicolas (kwizart) via email where he asked me to maintain a separate chromium-vaapi package in rpmfusion. I'm very much interested in doing this because it will save a lot of my time. Since I'm pretty new to rpmfusion, I don't know where to start. Following https://rpmfusion.org/Contributors I thought of introducing first. Please guide me where how can I host my package for the review process and all. Thank you.