Consolidate Flux Install

• Deprecate https://repo1.dso.mil/platform-one/big-bang/apps/sandbox/fluxv2
• Move Flux install components from scripts/deploy/01_deploy_bigbang.sh to scripts/deploy/00_deploy_flux.sh
• Add flexibility to install script to allow devs to use
• update CI to use this install script
• Add documentation for Developers installing flux
• hack/flux-install.sh should be removed/consolidated into the 00_deploy_flux.sh

Tracked issues:

• dsop/dccscr#874 (closed)
• dsop/dccscr#875 (closed)
• dsop/dccscr#876 (closed)
• dsop/dccscr#877 (closed)
• dsop/dccscr#878 (closed)
• dsop/dccscr#879 (closed)

Merge requests:

• https://repo1.dso.mil/platform-one/big-bang/bigbang/-/merge_requests/220