avizo + kbd backlight

homes/aarch64-linux/matt@macbook-pro-nixos/default.nix

@@ -61,12 +61,19 @@ in
       keybinds = {
         bind = [
           "$mod, A, exec, chromium --app=\"https://music.apple.com\""
+
+          "SHIFT, XF86MonBrightnessUp, exec, lightctl -D kbd_backlight up"
+          "SHIFT, XF86MonBrightnessDown, exec, lightctl -D kbd_backlight down"
         ];
       };
 
       defaultApps = {
         browser = pkgs.firefox;
       };
+
+      extraConfig = ''
+        exec-once = brightnessctl -d kbd_backlight s 50%
+      '';
     };
     programs = {
       btop = enabled;