* add tool and script for interop testing
* identity
* lint
* merge upstream, fix conflict, update script, add comment
* add comma separated support for --peer=
* remove NUM_VALIDATORS, comma fix
* WIP docker image
* use CI builder
* pr feedback
* whatever antoine says
* ignore git in docker
* jobs=auto
* disable remote cache
* try to cache the golang part
* try to cache the golang part
* nvm
* From Antoine with love
* fix
