Differentiate hardware and vms in roles

nixos/machines/ghatanothoa/configuration.nix

@@ -3,7 +3,6 @@
     ./hardware-configuration.nix
     ../../modules/jitsi.nix
     ../../roles
-    ../../roles/vm.nix
     ./network.nix
   ];
 

nixos/roles/default.nix

@@ -1,15 +1,21 @@
 {
   pkgs,
   lib,
+  vm ? true,
   ...
 }: {
-  imports = [
+  imports =
-    ./admins.nix
+    [
-    ./nix_keys.nix
+      ./admins.nix
-    ./prometheusNodeExporter.nix
+      ./nix_keys.nix
-    ../modules/impermanence.nix
+      ./prometheusNodeExporter.nix
-  ];
+      ../modules/impermanence.nix
-
+    ]
+    ++ (
+      if vm
+      then [./vm.nix]
+      else [./hardware.nix]
+    );
   nix = {
     extraOptions = ''
       experimental-features = nix-command flakes