update laptop config

hosts/kitagawa/configs/flatpak.nix

@@ -0,0 +1,21 @@
+{
+  config,
+  pkgs,
+  inputs,
+  ...
+}: {
+  imports = [
+    inputs.nix-flatpak.homeManagerModules.nix-flatpak
+  ];
+
+  services.flatpak = {
+    enable = true;
+    packages = [
+      "com.github.tchx84.Flatseal"
+    ];
+    update.auto = {
+      enable = true;
+      onCalendar = "05:00";
+    };
+  };
+}