Initial release of the oVirt/RHV Engine API simulator.

Stateful FastAPI lab with contract packs, Compose/Helm, Docker Hub release
targets, and Pulumi coverage across all Engine series (GET/POST/PUT/DELETE/HEAD).

docs/domains/README.md

@@ -0,0 +1,19 @@
+**Language / Язык:** [English](README.md) | [Русский](../ru/domains/README.md)
+
+# Domain guides
+
+These pages summarize durable Engine semantics by area. For exhaustive method
+lists, use the Web UI catalog or `contracts/ovirt/<series>/api.json`.
+
+| Guide | Collections / focus |
+|---|---|
+| [Datacenters & clusters](datacenters-clusters.md) | `datacenters`, `clusters` |
+| [Hosts](hosts.md) | `hosts` |
+| [Virtual machines](vms.md) | `vms`, disks attachments, NICs, snapshots |
+| [Storage](storage.md) | `storagedomains`, `disks`, connections |
+| [Networks](networks.md) | `networks`, `vnicprofiles` |
+| [Identity & access](identity.md) | `users`, `roles`, `permissions`, SSO |
+| [Jobs & events](jobs.md) | `jobs`, `events` |
+| [Schema collections](schema-collections.md) | Remaining pack-backed collections |
+
+See also [API surface](../api-surface.md) and [API coverage](../api_coverage.md).