Added new-tab.ps1

scripts/new-tab.ps1

@@ -0,0 +1,24 @@
+<#
+.SYNOPSIS
+	Create a new tab in Windows Terminal
+.DESCRIPTION
+	This PowerShell script creates and opens a new tab in Windows Terminal.
+.EXAMPLE
+	PS> ./new-tab.ps1 
+	✅ Created a new tab in Windows Terminal.
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+try {
+	& wt.exe --window 0 new-tab
+	if ($lastExitCode -ne 0) { throw "Executing wt.exe has failed with exit code $lastExitCode" }
+
+	"✅ Created a new tab in Windows Terminal."
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}