feat: add Windows Terminal helper function across all shells

Add `wt` function to launch Windows Terminal with WSL in current directory across Bash, Fish, Nushell, and PowerShell. The function supports passing additional arguments while maintaining the current working directory context.

home/Documents/PowerShell/Microsoft.PowerShell_profile.ps1.tmpl

@@ -39,6 +39,18 @@ Set-Alias -Name ch -Value chezmoi
 function cha { chezmoi apply --interactive }
 function chlg { lazygit --path {{ .chezmoi.config.sourceDir }} }
 
+# ----------------------
+# Windows Terminal
+# ----------------------
+# Launch Windows Terminal in current directory
+function wt {
+    if ($args.Count -eq 0) {
+        wt.exe -w 0 sp wsl --cd $PWD.Path
+    } else {
+        wt.exe -w 0 $args wsl --cd $PWD.Path
+    }
+}
+
 # ----------------------
 # Git Aliases
 # ----------------------