* add a simple staging test

* add buildkite stuff

* buildkite setup like in the [example](https://github.com/buildkite/golang-example)

* yamllint

* add running geth for 1m as a buildkite command

* fixups post go mod

* workaround a stupid go issue

* add 1 hour test

* fix bash maths

* run the job for 5 hours