RunCommand to reconfigure HA

This PR closes #

The changes in this PR are as follows:

Add new RunCommand Repait-HAConfiguration to enable re-configuring HA

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

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

Azure / Microsoft.AVS.Management