Add cd-up.ps1

Scripts/cd-root.ps1

@@ -0,0 +1,21 @@
+#!/usr/bin/pwsh
+<#
+.SYNTAX       cd-root.ps1 
+.DESCRIPTION  go to the root directory (C: on Windows)
+.LINK         https://github.com/fleschutz/PowerShell
+.NOTES        Author: Markus Fleschutz / License: CC0
+#>
+
+try {
+	if ($IsLinux) {
+		$TargetDir = resolve-path "/"
+	} else {
+		$TargetDir = resolve-path "C:/"
+	}
+	set-location "$TargetDir"
+	"📂$TargetDir"
+	exit 0
+} catch {
+	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}