Differentiate hardware and vms in roles

nixos/roles/default.nix

@@ -1,16 +1,21 @@
 {
   pkgs,
   lib,
-  modulesPath,
   vm ? true,
   ...
 }: {
-  imports = [
+  imports =
+    [
       ./admins.nix
       ./nix_keys.nix
       ./prometheusNodeExporter.nix
       ../modules/impermanence.nix
-  ] ++ (if vm then [./vm.nix] else [./hardware.nix]);
+    ]
+    ++ (
+      if vm
+      then [./vm.nix]
+      else [./hardware.nix]
+    );
   nix = {
     extraOptions = ''
       experimental-features = nix-command flakes