Design - Support APIKey authentication

[danielnginx]

Overview

As a maintainer of the Ingress Controller I would like to better understand what would be involved the add API key authentication to the Ingress Controller so that our users can have more authentication options.

References and documentation

This blog describes steps for deploying NGINX as an API Gateway.
The link below references specifically to the API key authentication section, though reading the full blog is valuable:
https://www.nginx.com/blog/deploying-nginx-plus-as-an-api-gateway-part-1/#implement-auth