Documentation Updates June 12 2023

Updates to the Wallaroo Documentation Site for June 12 2023

Updated the Wallaroo Install Guides to include environmental setup in more convenient card format.
Added the Computer Vision: Image Detection for Health Care tutorial showing how to use computer vision models to detect cell organelles.
Updated the Private Containerized Model Container Registry Guide to include instructions on setting up and using a Google Cloud Platform Artifact Registry service with Wallaroo for containerized models.
Moved Wallaroo Authentication Configuration Guides with User Management for easier references.
Other updates in line with the different documentation versions to back port instructions that are relevant to previous Wallaroo releases.