feat: deadlock-api-ingest package and output

This is an utility to have my matches in Deadlock (video-game) be fed
into the community maintained API faster and perhaps more accurately.

packages/deadlock-api-ingest.nix

@@ -0,0 +1,39 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitHub,
+  pkg-config,
+  libpcap,
+  openssl,
+}:
+
+rustPlatform.buildRustPackage {
+  pname = "deadlock-api-ingest";
+  version = "0-unstable-2025-09-23";
+
+  src = fetchFromGitHub {
+    owner = "deadlock-api";
+    repo = "deadlock-api-ingest";
+    rev = "5536816e2b9afa227c6ba9771f54b61a5cc63ab8";
+    hash = "sha256-h9k1VlpZ7uvSoJX30LjnB+kLYJ6juLEr5lv/jPqGQn8=";
+  };
+
+  cargoHash = "sha256-LL4sd1VmsU890GdpeDB1yEdpJUBJZ4kpY85kYPneB3U=";
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    libpcap
+    openssl
+  ];
+
+  meta = {
+    description = "A network packet capture tool that monitors HTTP traffic for Deadlock game replay files and ingests
+    metadata to the Deadlock API.";
+    homepage = "https://github.com/deadlock-api/deadlock-api-ingest";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.wizardlink ];
+  };
+}