✨ Add support for extensions and updates to the OpenAPI schema in path operations (#1922)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

docs_src/path_operation_advanced_configuration/tutorial005.py

@@ -0,0 +1,8 @@
+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/items/", openapi_extra={"x-aperture-labs-portal": "blue"})
+async def read_items():
+    return [{"item_id": "portal-gun"}]