Add dingserver flake

flake.nix

@@ -68,6 +68,7 @@
 		nixosConfigurations = {
 			dingbox = hostSystem { hostname = "dingbox"; };
 			miniding = hostSystem { hostname = "miniding"; };
+			dingserver = hostSystem { hostname = "dingserver"; };
 		};
 	};
 }

hosts/dingserver/configuration.nix

@@ -17,6 +17,13 @@
   networking.useDHCP = false;
   networking.interfaces.ens3.useDHCP = true;
 
+  # nix flakes compatibility
+  nix = {
+    extraOptions = ''
+      experimental-features = nix-command flakes
+    '';
+   };
+
   users.users.daniel = {
     isNormalUser = true;
     extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.