Added references to README

Author: ffeldhaus

README.md

@@ -3,6 +3,8 @@ StorageGRID Webscale PowerShell Module
 
 The StorageGRID Webscale Module contains Cmdlets for managing a NetApp StorageGRID Webscale solution as well as basic S3 Cmdlets. While the S3 Cmdlets are working for any S3 object storage, they provide several enhancements to make S3 management easier for StorageGRID Webscale Administrators. For a [feature rich, performance optimized S3 Client in PowerShell use the official AWS Cmdlets](https://aws.amazon.com/de/powershell/).
 
+See the sections below for [Installation](#Installation) and [Update](#Update) Instructions see the sections below. For more information check out the [StorageGRID Webscale PowerShell Cmdlet Tutorial](StorageGRID-Webscale-Tutorial.md).
+
 Installation
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