Add ping and firewall up/down helpers for example nginx dev VMs.
Remove the v5 home ready banner and coolify version controls, and render Flux status as a compact summary.
Create v5 cluster/server persistence, expose them on the home page,
and add a bootstrap endpoint backed by the coolify CLI. Add dev Lima
server sync support and update the dev script firewall flow.
Add scripts and Lima config for managing local coold endpoint VMs,
mint Flux dev host JWTs, expose coold host details on the V5 home
page, and document the local development workflow.
