feat: add a test k3s cluster running on kubevirt

secrets/nixos.nix

@@ -236,6 +236,12 @@ in {
               file = "${mysecrets}/server/k3s-prod-1-token.age";
             }
             // high_security;
+
+          "k3s-test-1-token" =
+            {
+              file = "${mysecrets}/server/k3s-test-1-token.age";
+            }
+            // high_security;
         };
       })
     ]);