challenger: start migrating from voyager. Add nginx. Add jellyfin.

hosts/challenger/configuration.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
 
 {
   imports =
@@ -8,6 +8,9 @@
       ./hardware-configuration.nix
       ./exports.nix
       ./filesystems.nix
+
+      ./services/nginx.nix
+      ./services/jellyfin.nix
   ];
 
   networking = {
@@ -32,6 +35,14 @@
   virtualisation.docker.enable = true;
   virtualisation.oci-containers.backend = "docker";
 
+  nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
+       "nvidia-x11"
+       "nvidia-settings"
+  ];
+  hardware.nvidia.modesetting.enable = true;
+  hardware.opengl.enable = true;
+  services.xserver.videoDrivers = ["nvidia"];
+
   system.stateVersion = "24.05";
 }