Add aichat-wrapper script to dwm configuration

- Add a new script to the dwm configuration that allows for easy selection
and use of different AI models using the aichat command line interface.

home/common/optional/desktop/dwm/default.nix

@@ -26,6 +26,7 @@
     ./scripts/clipboard-recall.nix
     ./scripts/get-focused-monitor.nix
     ./scripts/git-commit-ai.nix
+    ./scripts/aichat-wrapper.nix
   ];
 
   home.packages = [

home/common/optional/desktop/dwm/scripts/aichat-wrapper.nix

@@ -0,0 +1,12 @@
+{ pkgs, ... }:
+{
+  home.packages = [
+    (pkgs.writeShellScriptBin "aichat-wrapper" ''
+      #!/usr/bin/env bash
+      
+      model=$(${pkgs.aichat}/bin/aichat --list-models | ${pkgs.fzf}/bin/fzf)
+
+      ${pkgs.aichat}/bin/aichat --model "$model"
+    '')
+  ];
+}