How To Save Presets
https://community.blokas.io/t/patchbox-os-modep-plugin-presets/2497/16
To set up saving pedal/plugin presets (only need do this once):
sudo mkdir /home/modep
sudo chmod 777 /home/modep
sudo mkdir /home/modep/.lv2
sudo chmod 777 /home/modep/.lv2