fixed some 24.05 quirks

modules/dev/nix.nix

@@ -4,7 +4,8 @@
     users.users.jawz.packages = with pkgs; ([
       expect # keep color when nom'ing
       nix-output-monitor # autistic nix builds
-      nixfmt # linting
+      nixfmt-classic # linting
+      nixfmt-rfc-style # linting
       cachix # why spend time compiling?
       nixd # language server
     ]);