add: vpkmerge (used by grimorie)

pkgs/by-name/vp/vpkmerge/package.nix

@@ -0,0 +1,25 @@
+{
+  lib,
+  rustPlatform,
+  callPackage,
+  pkg-config,
+  dbus,
+  glib,
+  cairo,
+  gtk3,
+  libsoup_3,
+  webkitgtk_4_1,
+}: let
+  sources = callPackage ../../../../_sources/generated.nix {};
+  inherit (sources.vpkmerge) src cargoLock;
+in
+  rustPlatform.buildRustPackage (finalAttrs: {
+    pname = "vpkmerge";
+    version = src.rev;
+    src = src;
+    cargoLock = sources.vpkmerge.cargoLock."Cargo.lock";
+
+    nativeBuildInputs = [pkg-config dbus.dev];
+
+    buildInputs = [dbus glib cairo gtk3 libsoup_3 webkitgtk_4_1];
+  })