Notes
How to install Atom editor on Debian
wget -qO - https://packagecloud.io/AtomEditor/atom/gpgkey | sudo gpg --dearmour -o /usr/share/keyrings/atom-editor.gpg
sudo sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/atom-editor.gpg] https://packagecloud.io/AtomEditor/atom/any/ any main" > /etc/apt/sources.list.d/atom.list'
sudo apt update
sudo apt install atom
alternatively
wget -qO - https://packagecloud.io/AtomEditor/atom/gpgkey | sudo gpg --dearmour -o /etc/apt/trusted.gpg.d/atom-editor.gpg
sudo sh -c 'echo "deb [arch=amd64] https://packagecloud.io/AtomEditor/atom/any/ any main" > /etc/apt/sources.list.d/atom.list'
sudo apt update
sudo apt install atom