Documentation: Import Code of Conduct from Wiki

I reordered the contacts by current activity and added a link to the
CC-BY-SA license, otherwise it's the original text.

Change-Id: I6f41611db8d9a2f60b24d95abdf30f4fd47cd6f2
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/30085
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

0 files changed, 0 insertions, 0 deletions