[macbook] install karabiner through nix.

Signed-off-by: Mariano Uvalle <u.g.a.mariano@gmail.com>

hosts/macbook/configuration.nix

@@ -29,6 +29,7 @@
       "secretive"
       "gcc-arm-embedded"
       "librewolf"
+      "karabiner-elements"
     ];
   };
 

hosts/macbook/home.nix

@@ -6,14 +6,14 @@
 } : {
   
   imports = [
-    ../../home-modules/tmux.nix
-    ../../home-modules/lazygit.nix
-    ../../home-modules/zsh.nix
-    ../../home-modules/starship.nix
-    ../../home-modules/nvim.nix
     ../../home-modules/direnv.nix
-    # I should update the module with an option for adding winodow decorations.
     ../../home-modules/ghostty-config.nix
+    ../../home-modules/karabiner.nix
+    ../../home-modules/lazygit.nix
+    ../../home-modules/nvim.nix
+    ../../home-modules/starship.nix
+    ../../home-modules/tmux.nix
+    ../../home-modules/zsh.nix
   ];
 
   ghostty = {