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.

.dockerignore

@@ -0,0 +1,10 @@
+.git
+.venv
+__pycache__
+.mypy_cache
+.pytest_cache
+.ruff_cache
+.env
+htmlcov
+docs
+