add aarch64 vm

system/hosts/vm-aarch64/default.nix

@@ -0,0 +1,32 @@
+{
+  config,
+  pkgs,
+  lib,
+  catppuccin,
+  ...
+}:
+{
+  networking.hostName = "vm-aarch64";
+
+  boot.binfmt.emulatedSystems = [
+    "x86_64-linux"
+    "riscv64-linux"
+  ];
+
+  catppuccin.accent = "green";
+
+  home-manager.users.sckova = {
+    imports = [ catppuccin.homeModules.catppuccin ];
+  };
+
+  services.spice-vdagentd.enable = true;
+
+  virtualisation.vmVariant = {
+    virtualisation = {
+      memorySize = 8192;
+      cores = 6;
+    };
+  };
+
+  security.sudo.wheelNeedsPassword = false;
+}