add CODESTYLE.md
We should have a CODESTYLE.md doc in the aports tree describing what is the preferred coding style.
https://lists.alpinelinux.org/~alpine/devel/%3C1c2e99a3-4995-296d-b6e1-6fbad8261ab8%40schinagl.nl%3E
We should have a CODESTYLE.md doc in the aports tree describing what is the preferred coding style.
https://lists.alpinelinux.org/~alpine/devel/%3C1c2e99a3-4995-296d-b6e1-6fbad8261ab8%40schinagl.nl%3E