✨ add impermanence flake

flake.lock

@@ -510,6 +510,21 @@
         "type": "github"
       }
     },
+    "impermanence": {
+      "locked": {
+        "lastModified": 1703656108,
+        "narHash": "sha256-hCSUqdFJKHHbER8Cenf5JRzjMlBjIdwdftGQsO0xoJs=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "033643a45a4a920660ef91caa391fbffb14da466",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
     "lanzaboote": {
       "inputs": {
         "crane": "crane_2",
@@ -924,6 +939,7 @@
         "flake-parts": "flake-parts",
         "home-manager": "home-manager",
         "hyprland": "hyprland",
+        "impermanence": "impermanence",
         "lanzaboote": "lanzaboote",
         "nixos-anywhere": "nixos-anywhere",
         "nixos-hardware": "nixos-hardware",

flake.nix

@@ -53,6 +53,9 @@
     nixos-hardware = {
       url = "github:nixos/nixos-hardware";
     };
+    impermanence = {
+      url = "github:nix-community/impermanence";
+    };
 
     # home assets
     wallpaper = {