Updated the Markdown manuals

docs/new-dir.md

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+Script: *new-dir.ps1*
+========================
+
+This PowerShell script creates an empty new directory in the filesystem.
+
+Parameters
+----------
+```powershell
+PS> ./new-dir.ps1 [[-path] <String>] [<CommonParameters>]
+
+-path <String>
+    Specifies the path and filename of the new directory
+    
+    Required?                    false
+    Position?                    1
+    Default value                
+    Accept pipeline input?       false
+    Accept wildcard characters?  false
+
+[<CommonParameters>]
+    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
+    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
+```
+
+Example
+-------
+```powershell
+PS> ./new-dir.ps1 MyCollection
+✔️ New 📂C:\Temp\MyCollection created.
+
+```
+
+Notes
+-----
+Author: Markus Fleschutz | License: CC0
+
+Related Links
+-------------
+https://github.com/fleschutz/PowerShell
+
+Script Content
+--------------
+```powershell
+<#
+.SYNOPSIS
+	Creates a new directory
+.DESCRIPTION
+	This PowerShell script creates an empty new directory in the filesystem.
+.PARAMETER path
+	Specifies the path and filename of the new directory
+.EXAMPLE
+	PS> ./new-dir.ps1 MyCollection
+	✔️ New 📂C:\Temp\MyCollection created.
+.LINK
+	https://github.com/fleschutz/PowerShell
+.NOTES
+	Author: Markus Fleschutz | License: CC0
+#>
+
+param([string]$path = "")
+
+try {
+	if ($path -eq "") { $path = Read-Host "Enter the filename (and path) of the new directory" }
+
+	if (Test-Path $path) { throw "Directory at $path already exists" }
+
+	$null =	(New-Item -itemType directory -path $path)
+
+	$path = Resolve-Path $path
+	"✔️ New 📂$path created."
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}
+```
+
+*(generated by convert-ps2md.ps1 using the comment-based help of new-dir.ps1 as of 05/19/2024 10:25:23)*