Initial commit: stateful OpenStack API laboratory simulator.

Ship Keystone auth, multi-service handlers (Yoga→Dalmatian), Compose/Helm
packaging, API contract packs, and pytest/Pulumi coverage labs.

docs/domains/placement.md

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+**Language / Язык:** [English](placement.md) | [Русский](../ru/domains/placement.md)
+
+# Placement
+
+Port **8003**.
+
+## Lab behaviour
+
+- `GET /resource_providers` — from demo `os_api_objects` (or fallback stub)
+- `GET/PUT /allocations/{consumer_uuid}` — persisted allocations with lab fallback