Refactor things and make zippy an user node.

hosts/nix-dev/default.nix

@@ -2,24 +2,15 @@
 {
   imports = [
     ../../common/global
+    ../../common/nomad-client.nix
     ../../common/user-node.nix
+    ../../common/dev-node.nix
     ./hardware.nix
   ];
 
   networking.hostName = "nix-dev";
   services.tailscaleAutoconnect.authkey = "tskey-auth-k6s6VD5CNTRL-3fmjSfzbQ3PHUMyaiML95P8xzmGv5XxYc";
 
-  environment.systemPackages = with pkgs; [
-    wget
-    git
-    nomad
-    deploy-rs
-    docker
-    jq
-  ];
-
   boot.loader.grub.enable = true;
   boot.loader.grub.device = "/dev/sda"; # or "nodev" for efi only
-
-  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
 }

hosts/zippy/default.nix

@@ -3,6 +3,7 @@
   imports = [ 
     ../../common/global
     ../../common/compute-node.nix
+    ../../common/dev-node.nix
     ./hardware.nix
   ];