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

user/modules/dev.nix

@@ -1,27 +1,40 @@
-{pkgs, ...}: {
-  home.packages = with pkgs; [
-    # devenv
-    unstable.devenv
-    # Javascript
-    nodejs
-    nodePackages.yarn
-    unstable.nodePackages.pnpm
-    deno
-    unstable.bun
-    # PHP
-    php
-    # Python
-    python3
-    # Nix
-    nil
-    alejandra
-    # Rust
-    (rust-bin.stable.latest.default.override {
-      extensions = ["rust-src" "llvm-tools-preview"];
-    })
-    pkg-config
-    openssl
-  ];
+{
+  pkgs,
+  lib,
+  ...
+}: {
+  home.packages = with pkgs;
+    [
+      # devenv
+      unstable.devenv
+      # Javascript
+      nodejs
+      nodePackages.yarn
+      unstable.nodePackages.pnpm
+      deno
+      unstable.bun
+      # PHP
+      php
+      # Python
+      python3
+      # Nix
+      nil
+      alejandra
+      # Rust
+      (rust-bin.stable.latest.default.override {
+        extensions = ["rust-src" "llvm-tools-preview"];
+      })
+      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