Update Wiki: Use own Load Balancer instead of Web Adaptor

Discussed in https://github.com/Esri/arcgis-powershell-dsc/discussions/488

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^{Originally posted by **jesa-esrich** July 26, 2023} **Is it possible to use ArcGIS PowerShell DSC for the installation/configuration of an ArcGIS Enterprise Base Deployment with your own Load Balancers instead of the Web Adaptor?** - And how would such a configuration JSON look like? Remove the Web Adaptor parameter and specify internal and external load balancer. (Load Balancer has to be configured in advance). - And is this supported? - As far as I know, the Cloud Builder uses ArcGIS PowerShell DSC in the background to set up an ArcGIS Enterprise Base Deployment with an V2 Azure Application Gateway in front (and no ArcGIS Web Adaptors). This is also seen as best practice for cloud deployments on Azure. Use Case: - Setting up a ArcGIS Enterprise in the Azure Cloud with V2 Azure Application Gateway (no ArcGIS Web Adaptor) - Using ArcGIS PowerShell DSC (Cloud Builder cannot be used because of restricted privileges on the subscription)

Request

Please update the Wiki, if the ArcGIS Web Adaptor can be left out when using own Load Balancer
Add a JSON config file for using an Azure Application Gateway instead of an ArcGIS Web Adaptor

Esri / arcgis-powershell-dsc