refactor(hyprland): adjust brightness step size and format code

- Change brightness key bindings from 10% to 4%/5% for finer control
- Reformat hyprland module to use one parameter per line

modules/home/programs/graphical/wms/hyprland/default.nix

@@ -1,8 +1,9 @@
-{ lib
-, pkgs
-, config
-, namespace
-, ...
+{
+  lib,
+  pkgs,
+  config,
+  namespace,
+  ...
 }:
 let
   inherit (lib) types mkIf;
@@ -92,8 +93,8 @@ in
           ",XF86AudioLowerVolume, exec, wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%-"
           ",XF86AudioMute, exec, wpctl set-mute @DEFAULT_AUDIO_SINK@ toggle"
           ",XF86AudioMicMute, exec, wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle"
-          ",XF86MonBrightnessUp, exec, brightnessctl s 10%+"
-          ",XF86MonBrightnessDown, exec, brightnessctl s 10%-"
+          ",XF86MonBrightnessUp, exec, brightnessctl s 4%+"
+          ",XF86MonBrightnessDown, exec, brightnessctl s 5%-"
 
           # macOS Keyboard Brightness
           "$menuMod, XF86MonBrightnessUp, exec, brightnessctl -d kbd_backlight s 10%+"