add previously missing nginx.nix

hosts/nixcloud/services.d/nginx.nix

@@ -0,0 +1,22 @@
+{ config, lib, pkgs, ... }:
+
+
+{
+  services.nginx = {
+    enable = true;
+    recommendedGzipSettings = true;
+    recommendedOptimisation = true;
+    recommendedProxySettings = true;
+    recommendedTlsSettings = true;
+    virtualHosts."k3t.dev" = {
+      enableACME = true;
+      forceSSL = true;
+      root = "/var/www/k3t.dev";
+    };
+  };
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "k3t@k3t.dev";
+  };
+}