flake rework, dep updates

package.nix

@@ -0,0 +1,29 @@
+{
+  rustPlatform,
+  openssl,
+  pkg-config,
+  lib,
+}: let
+  inherit (lib.sources) sourceByRegex;
+  src = sourceByRegex ./. ["Cargo.*" "(src)(/.*)?"];
+in
+  rustPlatform.buildRustPackage rec {
+    pname = "wifi-prometheus-exporter";
+    version = "0.1.0";
+
+    inherit src;
+
+    buildInputs = [
+      openssl
+    ];
+
+    nativeBuildInputs = [
+      pkg-config
+    ];
+
+    doCheck = false;
+
+    cargoLock = {
+      lockFile = ./Cargo.lock;
+    };
+  }