Make apex host specific to each machine

Allows direct contact via the VPN when accessing from fox, but use
Internet when using the rest of the machines.

m/common/base/net.nix

@@ -14,7 +14,7 @@
     nftables.enable = lib.mkForce false;
 
     hosts = {
-      "84.88.53.236" = [ "apex" "ssfhead.bsc.es" "ssfhead" ];
+      "84.88.53.236" = [ "ssfhead.bsc.es" "ssfhead" ];
       "84.88.51.152" = [ "raccoon" ];
       "84.88.51.142" = [ "raccoon-ipmi" ];
     };

m/fox/wireguard.nix

@@ -32,4 +32,8 @@
       ];
     };
   };
+
+  networking.hosts = {
+    "10.100.0.30" = [ "apex" ];
+  };
 }

m/raccoon/configuration.nix

@@ -39,6 +39,7 @@
     };
     hosts = {
       "10.0.44.4" = [ "tent" ];
+      "84.88.53.236" = [ "apex" ];
     };
   };
 

m/tent/configuration.nix

@@ -33,6 +33,9 @@
     nameservers = [ "84.88.52.35" "84.88.52.36" ];
     search = [ "bsc.es" "ac.upc.edu" ];
     defaultGateway = "10.0.44.1";
+    hosts = {
+      "84.88.53.236" = [ "apex" ];
+    };
   };
 
   services.p.enable = true;