Superset EKS deployment and multiple version support

Custom Superset code and EKS/ArgoCD configuration separation - align with SKA

Ability to monitor Superset health/performance/usage

Multiple version support

Streamline the expectation and process to focus support one stable released version to minimize admin overhead

Customize core Superset codebase

Stream line the process to deal with bug or enhancement request to core Superset codebase

log issue and feedback to Superset community or explore fix and submit PR back to Superset community is encouraged

We modify core Superset codebase and maintain the change should be avoided

Managed/External/Built-in Redis for Superset

Monitoring cache hits etc.

Multiple Superset instance shared the same Redis