RunCommand Register Host with Static Discovery

[hfanan]

This PR closes #

Add a new RunCommand "Set-VmfsStaticIscsi" to set a static iSCSI target and apply best practices settings to the created iSCSI target

The changes in this PR are as follows:

• Add a RunCommand API Set-VmfsStatic iscsi that added iSCSI static targets to AVS

I have read the contributor guidelines and have completed the following:

• [X] Formatted the code using VSCode default formatter for PowerShell.
• [X] Tested the code end-to-end against an SDDC. Tested using on-premise deployment of vCenter and an AVS instance.
• [X] Documented the functions using standard PowerShell markup and applied AVSAttribute to newly exported functions.