Add an example nixos config using this site

nixos-configuration/my-static-site.nix

@@ -0,0 +1,20 @@
+{ inputs, pkgs, ... }:
+let
+  site-url = "example.com";
+in
+{
+  services.caddy = {
+    enable = true;
+    # Needs `http://` prefix so that it does not try to request TLS certificates and redirect to 443
+    virtualHosts."http://${site-url}".extraConfig = ''
+      file_server
+      root * ${inputs.our-site.packages."${pkgs.system}".default}
+      encode gzip
+    '';
+  };
+
+  environment.shellAliases = {
+    # Test our site
+    curl-site = "curl -H \"Host: ${site-url}\" localhost";
+  };
+}