Install Slade Doom Editor

# Quickly download and install the latest version of Slade for Debian/Linux
deb="$(wget -qO- "https://debian.drdteam.org/pool/multiverse/s/slade/"|grep amd|tail -n1|cut -d\> -f7|cut -d\< -f1)"
wget "https://debian.drdteam.org/pool/multiverse/s/slade/${deb}" -O /tmp/slade.deb
sudo dpkg -i /tmp/slade.deb
sudo apt --fix-broken install -y