added firewall allow rules, so that the share nm connection works on lush

hosts/lush.nix

@@ -105,6 +105,13 @@
 
   ####################################### networking ##########################
 
+	networking.firewall.allowedUDPPorts = [
+  		3702 # wsdd
+      51820  # wireguard
+      67 # allow DHCP traffic
+      53 # allow dns
+	];
+
   networking.hostName = "lush";
 
   networking.networkmanager.enable = true;