Build in flux and catalog plugins into headlamp

Feature Request

Why

The motivation to introduce Headlamp into Big Bang is for improving experience with Flux.

Headlamp utilizes plugins to add features to its UI. Investigate if it needs storage.

Proposed Solution

https://github.com/headlamp-k8s/plugins/tree/main/flux#installing-the-flux-headlamp-plugin-in-a-headlamp-deployment