Initial commit: VMware vSphere API simulator scaffold.

Add the FastAPI app, PostgreSQL migrations, Docker/Helm packaging, API
contracts, docs, client examples, and the unit/integration/compatibility
test suite for local client and tooling labs without a real vCenter.

app/db/migrations/011_vsphere_api_state.sql

@@ -0,0 +1,12 @@
+-- Keyed JSON state for Broadcom Automation API surface (DB-backed stubs).
+
+CREATE TABLE vsphere_api_state (
+    state_key text PRIMARY KEY,
+    verb text NOT NULL,
+    path_template text NOT NULL,
+    payload jsonb NOT NULL DEFAULT '{}'::jsonb,
+    updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE INDEX vsphere_api_state_path_idx ON vsphere_api_state (path_template);
+CREATE INDEX vsphere_api_state_verb_idx ON vsphere_api_state (verb);