ExpressoTS Examples 4.0.0

ExpressoTS v4 example catalog — 4.0.0.

15 runnable examples pinned to @expressots/*@4.0.0, from a starter API through JWT auth, RBAC, databases (in-memory, Postgres, Prisma), events, queues, Redis, testing, Docker, micro-api, interceptors, and OpenAPI + Studio.

Legacy v1/v2 examples are quarantined under previousVersions/ and use removed APIs; see the catalog README.