add qemu-wayland

pkgs/qemu-wayland/default.nix

@@ -0,0 +1,15 @@
+{ qemu_kvm, rutabaga-gfx-ffi, fetchurl, lib, vulkan-loader }:
+qemu_kvm.overrideAttrs (old: {
+  src = fetchurl {
+    url = "https://download.qemu.org/qemu-8.2.0-rc2.tar.xz";
+    hash = "sha256-AbQozd8IQNDBsA6/zE98xQboh4dWSk0/V/IsflCju9g=";
+  };
+
+  postFixup = (old.postFixup or "") + ''
+    for bin in $out/bin/qemu-system-*; do
+      wrapProgram $bin \
+        --prefix LD_LIBRARY_PATH ':' ${lib.getLib vulkan-loader}/lib
+    done
+  '';
+  buildInputs = old.buildInputs ++ [ rutabaga-gfx-ffi ];
+})