cleaned up flake.nix

nixos/modules/impermanence/default.nix

@@ -1,6 +1,8 @@
-{ lib, ... }:
+{ lib, inputs, ... }:
 {
-
+    imports = [
+	inputs.impermanence.nixosModules.impermanence
+    ];
     fileSystems."/persist".neededForBoot = true;
     environment.persistence."/persist/system" = {
     hideMounts = true;