Pioneer: make a bootloader.img file

Let's say you decide to have an SSD bay for your Pioneer kit either when purchasing a new hardware or because you wanna uprade for a more reliable and faster alternative to micros sd cards. If you want to boot from the SSD, you will need to use the terminal and manually copy the first four megabytes into an sd card. This is very inconvenient for obvious reasons, as we can't expect people to do terminal operations. We can, however, make an .img file using dd if=freedombox-stable-free_pioneer_a20-olinuxino-lime2-armhf.img of=bootloader.img bs=1M count=4 status=progress. Then, bootloader.img could be available on the Download section of the website, so people can just use Etcher or any other tools with a GUI to easily flash on the sd card. What do you think? Can this be done without further issues, or should it be part of freedom-maker?