docs: OpenXML.get_Created ( Fixes #23 )

Author: StartAutomating

Types/OpenXML/get_Created.ps1

@@ -0,0 +1,10 @@
+<#
+.SYNOPSIS
+    Gets OpenXML creation time
+.DESCRIPTION
+    Gets the time an OpenXML file was created, according to core document metadata.
+.EXAMPLE
+    Get-OpenXML ./Examples/Blank.docx | Select-Object -ExpandProperty Created
+#>
+param()
+$this.Parts.'/docProps/core.xml'.content.coreProperties.created.innerText -as [DateTime]