adding muninn

flake.nix

@@ -82,6 +82,10 @@
         modules = [./systems/rhapsody-in-green];
         specialArgs = {inherit inputs outputs;};
       };
+      muninn = lib.nixosSystem {
+        modules = [./systems/muninn];
+        specialArgs = {inherit inputs outputs;};
+      };
     };
   };
 }