fixed start script

flake.nix

@@ -185,7 +185,7 @@
           runtimeInputs = [ ];
           text = ''
             cd ${web-server}/lib/YongeStreet
-            exec ${web-server}/bin/YongeStreet --urls http://0.0.0.0:$PORT
+            exec ${web-server}/bin/YongeStreet
           '';
         };