add hyprland & xdph

exprs/hyprlang.nix

@@ -0,0 +1,30 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+}:
+stdenv.mkDerivation (finalAttrs: {
+  pname = "hyprlang";
+  version = "0.2.1";
+
+  src = fetchFromGitHub {
+    owner = "hyprwm";
+    repo = "hyprlang";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-KjAYC3sMyfipCHpkj0XSPw/C9KdCNlWtguQW5rEUiqo=";
+  };
+
+  nativeBuildInputs = [cmake];
+
+  outputs = ["out" "dev"];
+
+  doCheck = true;
+
+  meta = with lib; {
+    homepage = "https://github.com/hyprwm/hyprlang";
+    description = "The official implementation library for the hypr config language";
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+  };
+})