add homeassistant webui port to allowed ports in firewall

networking.nix

@@ -37,7 +37,7 @@
     };
 
     firewall = {
-      allowedTCPPorts = [ 80 443 20 21 22 2223 990 989 445 111 2049 32765 32768 20048 ];
+      allowedTCPPorts = [ 80 443 8123 20 21 22 2223 990 989 445 111 2049 32765 32768 20048 ];
       allowedUDPPorts = [ 111 2049 20048 32765 32768 ];
     };