Add ghostty and black hole background

hosts/xps/configuration.nix

@@ -5,6 +5,7 @@
   inputs,
   username,
   stylix,
+  ghostty,
   ...
 }: {
   imports =
@@ -130,6 +131,7 @@
     dconf2nix
     libation
     sops
+    ghostty.packages.x86_64-linux.default
   ];
   environment.variables = {
     EDITOR = "nvim";
@@ -138,7 +140,7 @@
   services.flatpak.enable = true;
   stylix.enable = true;
   stylix.base16Scheme = "${pkgs.base16-schemes}/share/themes/solarflare.yaml";
-  stylix.image = /home/jared/Pictures/SupermassiveBinaryBlackHoles.png;
+  stylix.image = ../../backgrounds/SupermassiveBinaryBlackHoles.png;
   stylix.cursor.package = pkgs.vimix-cursor-theme;
   stylix.cursor.name = "Vimix-Cursors";
   stylix.targets.gnome.enable = true;