chore: dynamic hosts, builder targets

Make hosts read from directories, to limit manual changes
Rename vm-gitlab -> gitlab
A few reformatting and lint changes due to altered files
Create builder targets for Darwin builders

hosts/unstable/proxmoxtemplate/default.nix

@@ -0,0 +1,60 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ pkgs, ... }:
+
+{
+  imports = [
+    # Include the results of the hardware scan.
+    ./hardware-configuration.nix
+  ];
+
+  # Bootloader.
+  boot.loader = {
+    systemd-boot.enable = true;
+    efi.canTouchEfiVariables = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+  ];
+
+  greg = {
+    home = true;
+    tailscale = {
+      enable = true;
+      tags = [ "home" ];
+    };
+  };
+
+  networking = {
+    hostName = "proxmoxtemplate"; # Define your hostname.
+    # defaultGateway = {
+    #   address = " 10.42.1.2";
+    #   interface = "enp6s18";
+    # };
+    # interfaces = {
+    #   enp6s18 = {
+    #     ipv4.addresses = [
+    #       {
+    #         address = "10.42.1.8";
+    #         prefixLength = 16;
+    #       }
+    #     ];
+    #   };
+    # };
+    nameservers = [ "10.42.1.5" ];
+  };
+
+  services.qemuGuest.enable = true;
+
+  system.stateVersion = "24.11"; # Did you read the comment?
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.greg = {
+    isNormalUser = true;
+    description = "Greg Hellings";
+    extraGroups = [ "wheel" ];
+    packages = with pkgs; [ ];
+  };
+}