moved some stuff

common/default.nix

@@ -5,4 +5,15 @@
   ];
   
   programs.zsh.enable = true;
+
+  nix = {
+    settings = {
+      auto-optimise-store = true;
+      allowed-users = [ "@wheel" ];
+      experimental-features = [
+        "nix-command"
+        "flakes"
+      ];
+    };
+  };
 }

common/home.nix

@@ -19,8 +19,15 @@
     claude-code
     gnome-extension-manager
     lmstudio
+    sccache
   ];
   
+  home.file.".cargo/config.toml".text = ''
+    [target.'cfg(target_os = "linux")']
+    linker = "${pkgs.clang}/bin/clang"
+    rustflags = ["-C", "link-arg=-fuse-ld=${pkgs.mold-wrapped}/bin/mold"]
+  '';
+  
   programs.zsh = {
     enable = true;
     oh-my-zsh = {