feat: add claude code (#50)

machines/hosts/desktops/inwin-tower/configuration.nix

···
     ./hardware-configuration.nix
 
     # Include any additional apps desired
+    ../../../modules/desktop/apps/claude.nix
     ../../../modules/desktop/apps/ollama.nix
     ../../../modules/desktop/apps/jetbrains.nix
     ../../../modules/desktop/apps/steam.nix

machines/modules/desktop/apps/aider.nix machines/modules/desktop/apps/claude.nix

···
 {pkgs, ...}: {
   environment.systemPackages = with pkgs; [
-    aider-chat
+    claude-code
   ];
 }