Migrate to snowfall lib

modules/nixos/system/hw/virt/default.nix

@@ -0,0 +1,18 @@
+{ lib, config, ... }:
+let cfg = config.hostcfg.make.virt;
+in {
+  config = lib.mkIf cfg {
+    virtualisation = {
+      # libvirtd.enable = true;
+      # waydroid.enable = true;
+      # lxd.enable = true;
+      docker = {
+        enable = true;
+        rootless = {
+          enable = true;
+          setSocketVariable = true;
+        };
+      };
+    };
+  };
+}