rose-pine-kvantum: init at unstable-2025-03-26

I have added a new package: `rose-pine-kvantum-unstable-2025-03-26`.

This package provides a Rose-Pine theme for Kvantum.

pkgs/by-name/ro/rose-pine-kvantum/package.nix

@@ -0,0 +1,36 @@
+{
+  stdenvNoCC,
+  fetchFromGitHub,
+  lib,
+}:
+stdenvNoCC.mkDerivation (finalAttrs: {
+  pname = "rose-pine-kvantum";
+  version = "0-unstable-2025-03-26";
+
+  src = fetchFromGitHub {
+    owner = "rose-pine";
+    repo = "kvantum";
+    rev = "5a51f5892ba752088dee062a6188b9f0bb59324b";
+    hash = "sha256-lUO3Bg9+KbPkllKu2sv9ueV1dcZu4qRn32N/+4+2B4A=";
+  };
+
+  dontBuild = true;
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/share/Kvantum/themes
+    for i in $(find . -iname "*.tar.gz"); do
+        tar -xf $i -C $out/share/Kvantum/themes
+    done
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Kvantum-themes based on Rose Pine";
+    homepage = "https://github.com/rose-pine/kvantum";
+    platforms = lib.platforms.linux;
+    maintainers = with lib.maintainers; [ amadaluzia ];
+    license = lib.licenses.unfree; # rose-pine/kvantum#1
+  };
+})