chn: xserver drivers to per host basis

modules/desktop/default.nix

@@ -1,19 +1,15 @@
 { pkgs, inputs, ... }:
 
 {
-  services.displayManager.gdm.enable = true; # TODO: look into ly/greetd/something less heavy
+  services.displayManager.sddm.enable = true; # TODO: look into ly/greetd/something less heavy
   services.displayManager.autoLogin = {
     enable = true;
     user = "djai";
   };
 
+  # note that we set the videodrivers on a per-host basis, so not here.
   services.xserver = {
     enable = true;
-    videoDrivers = [
-      "nvidia"
-      "amdgpu"
-      "intel"
-    ];
     xkb = {
       layout = "us";
       variant = "euro";
@@ -53,6 +49,7 @@
     waybar
     wl-clipboard
     wl-clipboard-x11
+    swaybg
   ];
 
   # TODO: qt theming