flashprog uses the libraries libjaylink and libftdi. So in order for
flashprog to work properly for non-privileged users, enable their
related NixOS modules which enable several udev rules for devices used
by flashprog.
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Introduce the flashprog module. By enabling, its udev rules are applied
in addition to installing the package.
Signed-off-by: Felix Singer <felixsinger@posteo.net>