Environment release lanes with live 6-stage meters, Promote gates and a service version matrix

reui/chart-38

Staging, Sandbox and Production release lanes with live 6-segment stage meters and Promote connectors between them. A canary waits at a Promote gate behind an AlertDialog; a Collapsible matrix flags held and failed services with Badges. CI/CD board.

Paid component: its registry needs a licence from the library, so install it from their site.