add zammad to fw vm, add web-arm machine

hosts/fw.cloonar.com/modules/networking.nix

@@ -7,6 +7,7 @@
   };
 
   systemd.network = {
+    enable = true;
     wait-online.anyInterface = true;
     links = {
       "10-wan" = {
@@ -18,6 +19,19 @@
         linkConfig.Name = "lan";
       };
     };
+    netdevs = {
+      "30-server".netdevConfig = {
+        Kind = "bridge";
+        Name = "server";
+      };
+    };
+    networks = {
+      "31-server" = {
+        matchConfig.Name = [ "vserver" ];
+        # Attach to the bridge that was configured above
+        networkConfig.Bridge = "server";
+      };
+    };
   };
 
   networking = {
@@ -51,11 +65,11 @@
     #   interface = "vserver";
     #   mode = "bridge";
     # };
-    bridges = {
-      server = {
-        interfaces = [ "vserver" ];
-      };
-    };
+    # bridges = {
+    #   server = {
+    #     interfaces = [ "vserver" ];
+    #   };
+    # };
 
     interfaces = {
       # Don't request DHCP on the physical interfaces