* 2019-06-XX: initial commit

    + cdn: fastly, with custom vcl/edge setup
    + new channels: nixos-unstable-small, nixos-19.03-small
    + storage backend: wasabi, triple regions
        - 1 in US east, 1 US west, 1 EU central
    + simple georouted load balancing, with POP shielding
        - north/south american users routed between us-east/us-west randomly
        - non-american users routed to eu-central