fix(dev): add necessary deps for rust on darwin

user/modules/dev.nix

@@ -1,5 +1,10 @@
-{pkgs, ...}: {
-  home.packages = with pkgs; [
+{
+  pkgs,
+  lib,
+  ...
+}: {
+  home.packages = with pkgs;
+    [
       # devenv
       unstable.devenv
       # Javascript
@@ -21,7 +26,15 @@
       })
       pkg-config
       openssl
-  ];
+    ]
+    ++ lib.optionals pkgs.stdenv.isDarwin (with pkgs.darwin.apple_sdk.frameworks; [
+      CoreFoundation
+      CoreServices
+      SystemConfiguration
+    ]);
+
+  # Required for the `openssl-sys` crate to build properly
+  home.sessionVariables.PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
 
   programs.zsh.initExtra = ''
     export PATH=~/.npm-packages/bin:$PATH