feat: add updns

hosts/web-arm/pkgs/updns.nix

@@ -0,0 +1,23 @@
+{ lib, buildGoModule, fetchgit }:
+
+buildGoModule rec {
+  pname = "updns";
+  version = "1.0.1";
+
+  src = fetchgit {
+    url = "https://git.cloonar.com/Cloonar/updns.git";
+    rev = "100cad5acde8a174f2cc36b6af577a440c528865";
+    sha256 = "sha256-nQU1CCbCw/8JjMErdfasyR4jyvONuEImUiqdbVut2FA=";
+  };
+
+  vendorHash = "sha256-PipUC/Sks7j/p9io/eHamfkbIKWsfKIDFZun2sKrWDY=";
+  
+  subPackages = [ "cmd/updns" ];
+
+  meta = with lib; {
+    description = "UpDNS - A simple ACME DNS Proxy";
+    homepage = "https://git.cloonar.com/Cloonar/updns";
+    license = licenses.mit;  # Adjust based on your project's license
+    maintainers = [ ];
+  };
+}