fish 4.0; use comic code; add swhkd

os/programs/default.nix

@@ -4,5 +4,6 @@
     ./doas.nix
     ./niri.nix
     ./ai.nix
+    ./swhkd.nix
   ];
 }

os/programs/swhkd.nix

@@ -0,0 +1,18 @@
+{ pkgs, ... }:
+let
+  swhkd = import ../../pkgs/swhkd/swhkd.nix {
+    inherit (pkgs)
+      lib
+      rustPlatform
+      fetchFromGitHub
+      makeWrapper
+      pkg-config
+      ;
+  };
+in
+{
+  environment.systemPackages = [
+    swhkd
+  ];
+  systemd.packages = [ swhkd ];
+}