Initial commit of flake-based NixOS config for the whole haus

hosts/puter/de/sway.nix

@@ -0,0 +1,17 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  programs.sway = {
+    enable = true;
+    wrapperFeatures.gtk = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    mako # Notification daemon for Sway
+    playerctl
+    # Other Sway-specific packages
+  ];
+  programs.light.enable = true; # For brightness control
+}