Enable nvidia GPU

Update flake inputs

machines/blocktech/configuration.nix

@@ -95,6 +95,7 @@
         services = {
           desktopManager.cosmic.enable = true;
           displayManager.cosmic-greeter.enable = true;
+          services.xserver.videoDrivers = ["nvidia"];
         };
       };
     };

nixos/desktop.nix

@@ -6,6 +6,11 @@
   config = lib.mkIf (builtins.elem "desktop" config.deployment.tags) {
     programs.ssh.startAgent = true;
 
+    hardware.opengl = {
+      enable = true;
+      driSupport32Bit = true;
+    };
+
     services = {
       xserver.enable = true;
       printing.enable = true;