flake: set extra metadata

flake.nix

@@ -113,9 +113,12 @@
               dontUnpack = true;
               installPhase = mapAttrsToList copyType types
                 ++ optional (dir != null) (mapAttrsToList copyTypeDir types);
+
+              passthru.font = true;
               meta = {
                 inherit license;
                 platforms = platforms.all;
+                maintainers = with maintainers; [ artemist ];
                 description = "${name} font by ${author}";
               };
             };