format the repo files

hosts/configuration_common.nix

@@ -2,10 +2,16 @@
 #  Common configuration shared by all hosts (desktop and server).
 #  Imported by configuration_desktop.nix and configuration_server.nix.
 #
-
-{ config, lib, pkgs, inputs, user, location, agenix, ... }:
-
 {
+  config,
+  lib,
+  pkgs,
+  inputs,
+  user,
+  location,
+  agenix,
+  ...
+}: {
   imports = [
     ../modules/hardware/hydraCache.nix
   ];
@@ -86,7 +92,7 @@
   nix = {
     settings = {
       auto-optimise-store = true;
-      allowed-users = [ "@wheel" ];
+      allowed-users = ["@wheel"];
     };
     gc = {
       automatic = true;