new nix-flatpak flake

flake.lock

@@ -190,6 +190,22 @@
         "type": "github"
       }
     },
+    "nix-flatpak": {
+      "locked": {
+        "lastModified": 1711997201,
+        "narHash": "sha256-J71xzQlVYsjagA4AsVwRazhBh2rZrPpKvxTgs6UzL7c=",
+        "owner": "gmodena",
+        "repo": "nix-flatpak",
+        "rev": "b76fa31346db7fc958a9898f3c594696ca71c4fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gmodena",
+        "ref": "v0.4.1",
+        "repo": "nix-flatpak",
+        "type": "github"
+      }
+    },
     "nix-index-db": {
       "inputs": {
         "nixpkgs": [
@@ -307,6 +323,7 @@
         "home-manager": "home-manager_2",
         "homepage": "homepage",
         "impermanence": "impermanence",
+        "nix-flatpak": "nix-flatpak",
         "nix-index-db": "nix-index-db",
         "nix-minecraft": "nix-minecraft",
         "nixos-generators": "nixos-generators",