avalon from home:antonbatenev:avalon project

For Debian 10 run the following:

Keep in mind that the owner of the key may distribute updates, packages and repositories that your system will trust (more information).

echo 'deb http://download.opensuse.org/repositories/home:/antonbatenev:/avalon/Debian_10/ /' | sudo tee /etc/apt/sources.list.d/home:antonbatenev:avalon.list
curl -fsSL https://download.opensuse.org/repositories/home:antonbatenev:avalon/Debian_10/Release.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/home_antonbatenev_avalon.gpg > /dev/null
sudo apt update
sudo apt install avalon

For Fedora Rawhide run the following as root:

dnf config-manager addrepo --from-repofile=https://download.opensuse.org/repositories/home:antonbatenev:avalon/Fedora_Rawhide/home:antonbatenev:avalon.repo
dnf install avalon