feat(topology): add hydraJob for testing

flake.nix

@@ -207,6 +207,7 @@
             value = inputs.self.nixosConfigurations.${name}.config.system.build.toplevel;
           })
           listOfHosts);
+        topology.x86_64-linux = inputs.self.topology.x86_64-linux.config.output;
       };
     };
 }