hyprland: setup hyprpanel, fix nvidia issues, accomodate new shadow config

a big part of this was an accidental commit of the gitbutler integration commit that i accidently commited when it broke due to nix rust issues. the new server was also added in this, but further config happens in #1

modules/nixos/desktop/addons/hyprpaper/default.nix

@@ -0,0 +1,42 @@
+{
+  config,
+  inputs,
+  lib,
+  namespace,
+  pkgs,
+  system,
+  ...
+}:
+let
+  inherit (lib) mkIf mkEnableOption;
+
+  # hyprpaper-package = inputs.hyprpaper.packages.${system}.hyprpaper;
+
+  cfg = config.${namespace}.desktop.addons.hyprpaper;
+
+  username = config.${namespace}.user.name;
+in
+{
+  options.${namespace}.desktop.addons.hyprpaper = {
+    enable = mkEnableOption "Enable Hyprpaper";
+  };
+
+  config = mkIf cfg.enable {
+    snowfallorg.users.${username}.home.config = {
+      home.file = {
+        # https://www.reddit.com/r/WidescreenWallpaper/comments/13hib3t/purple_firewatch_3840x1620/
+        "Pictures/firewatch.jpg".source = ./firewatch.jpg;
+      };
+
+      services.hyprpaper = {
+        enable = true;
+        settings = {
+          preload = [
+            "/home/${username}/Pictures/firewatch.jpg"
+          ];
+          wallpaper = "monitor DP-2, /home/${username}/Pictures/firewatch.jpg";
+        };
+      };
+    };
+  };
+}