Antoine Beaupré authored
While they do relate to each other, one is somewhat boilerplate and people may have read it before, while the other is specific to this project. Furthermore, some sites like GitHub expect to see a CODE_OF_CONDUCT file in the root directory. It will also show source-using jedis the existing of the code clearly when reading the source. We keep a link from the contribution guide to make sure people are aware of the existence of the guide as well. It is also a first-class citizen in the table of contents now.