1. Proposed title of this feature request:

ARO native integration with Azure Application Gateway
2. What is the nature and description of the request?

Implement ARO native support for ARO customers to leverage Azure's native Application Gateway to expose applications deployed on ARO. AKS customer has similar capabilities using AGIC but ARO customers has to use manual steps described in this article

3. Why does the customer need this? (List the business requirements here)

use Azure Application gateway capabilities
4. List any affected packages or components.