finalize configuration before reinstalling

modules/nixos/desktop/gnome/default.nix

@@ -49,6 +49,11 @@
     users."${username}" = {
       directories = [
         ".config/dconf"
+
+        # Right now I don't really modify much here other than the tab group tab colour
+        # but I might in the future want to manage these files using home-manager instead
+        # of having them set imperatively and simply persisted.
+        ".config/forge"
       ];
     };
   };