Begin adding nvidia drivers; wish me luck...
diff --git a/src/nix/system/nvidia.nix b/src/nix/system/nvidia.nix
new file mode 100644
index 0000000..59d6dd4
--- /dev/null
+++ b/src/nix/system/nvidia.nix
@@ -0,0 +1,9 @@
+{ ... }: {
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware.nvidia.modesetting.enable = true;
+
+  hardware.opengl.enable = true;
+
+  ## Not yet finished; see https://nixos.wiki/wiki/Nvidia
+  # TODO: Complete this
+}