fix(dotfiles): exclude third_party from fix app

src/dotfiles/apps.nix

@@ -20,8 +20,8 @@ in
         ];
         text = ''
           treefmt
-          statix fix .
-          deadnix --edit --exclude configs/nixos/hosts/*/hardware-configuration.nix -- .
+          statix fix --ignore 'third_party/**' .
+          deadnix --edit --exclude third_party configs/nixos/hosts/*/hardware-configuration.nix -- .
           treefmt
         '';
       }

src/dotfiles/formatter.nix

@@ -4,6 +4,10 @@ inputs.treefmt-nix.lib.evalModule inputs.nixpkgs.legacyPackages.${system} {
 
   programs.nixfmt.enable = true;
 
+  settings.excludes = [
+    "third_party/**"
+  ];
+
   settings.formatter.nixfmt.excludes = [
     "configs/nixos/hosts/*/hardware-configuration.nix"
   ];