box: get gonic working again (needed headphones user)

hosts/profiles/gonic/default.nix

@@ -9,4 +9,12 @@
   mossnet.gonic.user = "headphones";
   mossnet.gonic.group = "audio";
   networking.firewall.allowedTCPPorts = [ 4747 ];
+
+  users.users.gonic = {
+    uid = config.ids.uids.headphones;
+    # isSystemUser = true;
+    group = "audio";
+    home = "/var/lib/headphones";
+    createHome = true;
+  };
 }

hosts/profiles/headphones/default.nix

@@ -4,6 +4,7 @@
     enable = true;
     host = "0.0.0.0";
     port = 8181;
+    package = "${pkgs.unstable.headphones}";
     user = "headphones";
     group = "audio";
     dataDir = "/data/music";