Public snapshot builds

[tomas-langer]

We need to have our snapshots available as binaries, preferably in a public snapshot repo. This is very useful to test fixed issues before we do a release.

[agentgt]

I am playing around with integrating Nima into another OSS project (Jooby) so having snapshots build would help greatly.

I imagine with Nima being one of the first to utilize Loom first class that others might be interested in easily trying it out.