Releases for prebuilt binaries

[timlehr]

Currently Raven does not offer prebuilt binaries on its Github page. We should add an appropriate CI setup so people can download binaries for their system of choice.

[reinecke]

The github actions are building binaries now - so probably this would just be about creating some automation around surfacing binaries when a release is created.

[jminor]

FYI, I renamed this issue to clarify that we want to use GitHub Releases for this.