add contribution.md guidance

DaoCloud / daochain

Docker image verification system based on Ethereum

Apache License 2.0

121 stars 30 forks source link

Closed allencloud closed 7 years ago

allencloud commented 7 years ago

add contribution.md guidance

PTAL @jjyr @Revolution1 @hainesc

Signed-off-by: allencloud allen.sun@daocloud.io

Revolution1 commented 7 years ago

LGTM