Fold more logic into the tagging system

hosts/jupiter/services/nginx/default.nix

@@ -0,0 +1,6 @@
+{ ... }:
+{
+  imports = [ ./nixfox ];
+
+  services.nginx.enable = true;
+}

hosts/jupiter/services/nginx/nixfox/default.nix

@@ -0,0 +1,10 @@
+{ config, lib, ... }:
+{
+  services.nginx = {
+    enable = true;
+    virtualHosts."localhost" = {
+      default = true;
+      root = "/var/www/landing-page";
+    };
+  };
+}