mkdir -p ~/.var/app/io.mpv.Mpv/config # Make mpvconf directory for first boot

cd ~/.var/app/io.mpv.Mpv/config

git clone https://github.com/zydezu/mpvconfig # Clone MPV config from GitHub

mv mpvconfig mpv # Rename 'mpvconfig' directory to 'mpv'

cd / && mkdir mpv # Should be created automatically? Fixed as of f836a23

flatpak override --user io.mpv.Mpv --filesystem=host # Allow MPV Flatpak to access host filesystem (Fixes lyrics download issues)