I do similar but on mac and using Safari. https://github.com/televator-apps/vimari https://github.com/televator-apps/vimari is great for this. So is Karabiner

I do similar but on mac and using Safari. https://github.com/televator-apps/vimari https://github.com/televator-apps/vimari is great for this. So is Karabiner (https://wiki.nikitavoloboev.xyz/macos/macos-apps/karabiner https://wiki.nikitavoloboev.xyz/macos/macos-apps/karabiner) to map opening apps to two keys.