Add a VMEncryption module

Add a module which include VMEncryption related functions/cmdlets.

Modules/VMware.VMEncryption/README.md

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+Prerequisites/Steps to use this module:
+
+1. This module only works for vSphere products that support VM Encryption. E.g. vSphere 6.5 and later.
+2. All the functions in this module only work for KMIP Servers.
+3. Install the latest version of Powershell and PowerCLI(6.5).
+4. Import this module by running: Import-Module -Name "location of this module"
+5. Get-Command -Module "This module Name" to list all available functions.