naja: Mark broken on Darwin, add temporary note about maintenance

pkgs/by-name/na/naja/package.nix

@@ -62,8 +62,12 @@ stdenv.mkDerivation {
     description = "Structural Netlist API (and more) for EDA post synthesis flow development";
     homepage = "https://github.com/najaeda/naja";
     license = lib.licenses.asl20;
-    maintainers = [ ];
+    maintainers = [
+      # maintained by the team working on NGI-supported software, no group for this yet
+    ];
     mainProgram = "naja_edit";
     platforms = lib.platforms.all;
+    # "aligned deallocation function of type [...] is only available on macOS 10.13 or newer" even with 11.0 SDK
+    broken = stdenv.hostPlatform.isDarwin;
   };
 }