Status: coming in Phase 4.
Long-running container apps and one-shot container apps jobs. Will follow
the same shape as sandboxes/: setup/,
guides/NN-*, and scenarios/*.
Planned guides: getting-started, revisions, scaling, jobs, secrets-and-config, dapr, managed-identity, vnet-integration.
Planned scenarios: web-api-with-postgres, background-job-pipeline, microservices-with-dapr.