add .BoardConfig.mk package-file

hc

2023-05-31 43fd8d44e8182b691c8ee61d487cec02ca11afd2

1
2
3
4
- Original image: https://pixabay.com/en/fractal-digital-spiral-1231400/
  (Licensed under the terms of the Pixabay License: https://pixabay.com/en/service/license/)
 
- Modified by jdgleaver