Format project with official nixfmt formatter (#21)

* Set nix official formatter for the flake

* format the entire project

modules/home-manager/mako.nix

@@ -2,9 +2,11 @@
   config,
   pkgs,
   ...
-}: let
+}:
+let
   cfg = config.omarchy;
-in {
+in
+{
   services.mako = {
     enable = true;