* define VID/PID in post_config.h, add via keymap
* update readme, set vid/pid for via
* update keymap
* delete usbconfig.h, update keymap
* add status led feature
* Apply suggestions from code review
Co-Authored-By: Joel Challis <git@zvecr.com>
* undef vid/pid in keymap
Co-authored-by: Joel Challis <git@zvecr.com>