Add keyleds

modules/overlays/keyleds/default.nix

@@ -0,0 +1,21 @@
+{ pkgs
+, stdenv
+, fetchFromGitHub
+,
+}:
+
+stdenv.mkDerivation rec {
+  name = "keyleds";
+  version = "1.1.1";
+
+  src = fetchFromGitHub {
+    name = "source-${name}-${version}";
+    owner = "keyleds";
+    repo = "keyleds";
+    rev = "v${version}";
+    sha256 = "sha256-KCWmaRmJTmZgTt7HW9o6Jt1u4x6+G2j6T9EqVt21U18=";
+  };
+
+  nativeBuildInputs = with pkgs; [ cmake pkgconfig ];
+  buildInputs = with pkgs; [ xlibsWrapper xorg.libXi libuv systemd luajit libyaml ];
+}