Squash merge dev into master

modules/rust.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: {
+  options.rust = {
+    enable = lib.mkEnableOption "System Rust Environment";
+  };
+
+  config = lib.mkIf config.rust.enable {
+    environment.systemPackages = with pkgs; [
+      rustc
+      rustup
+      cargo-edit
+      cargo-watch
+      cargo-outdated
+      cargo-audit
+      rust-analyzer
+      clippy
+      minijinja-cli
+    ];
+
+    environment.variables = {
+      PATH = [
+        "${pkgs.rustc}/bin"
+        "${pkgs.cargo}/bin"
+      ];
+    };
+  };
+}