add bluetooth and nvidia modules + hw config

modules/default.nix

@@ -7,6 +7,7 @@ let
   mods = with self.nixosModules; [
     agenix
     base_services
+    bluetooth
     boot
     core
     chromium
@@ -28,16 +29,7 @@ in
     modules =
       with self.nixosModules;
       [
-        {
-          config.networking.hostName = "nerv";
-          config.dualBoot = true;
-          config.hardware.nvidia = {
-            open = true;
-            modesetting.enable = true;
-          };
-          config.services.xserver.videoDrivers = [ "nvidia" ];
-
-        }
+        nvidia
       ]
       ++ mods;
   };