Code of conduct md. (#66)
Code of conduct md. (#66)

* Code of conduct md.
Closes #61
Signed-off-by: Wojciech Mielczarek <eb66f51b78d95cb3eaf4637018f7601adfcffd4d@gmail.com>

* Update CODE_OF_CONDUCT.md

* Update CODE_OF_CONDUCT.md

JaroslawWiosna/regionalizer,JaroslawWiosna/regionalizer