feat(local): Use nomad to download job artifacts

[adamreese]

Have nomad download Traefik and Bindle when starting their jobs.

[lann]

    2022-06-14T17:02:21.367-0400 [ERROR] client.alloc_runner.task_runner: prestart failed: alloc_id=8
51be4e5-8c2c-174b-fef5-b768371518df task=traefik error="prestart hook \"artifacts\" failed: failed to
 download artifact \"https://github.com/traefik/traefik/releases/download/v2.7.1/traefik_v2.7.1_${att
r.os.name}_${attr.cpu.arch}.tar.gz\": bad response code: 404"