chore: import upstream snapshot with attribution

doc/source/serve/doc_code/monitoring/monitoring.py

@@ -0,0 +1,27 @@
+# flake8: noqa
+
+# __start__
+# File name: monitoring.py
+
+from ray import serve
+import logging
+from starlette.requests import Request
+
+logger = logging.getLogger("ray.serve")
+
+
+@serve.deployment
+class SayHello:
+    async def __call__(self, request: Request) -> str:
+        logger.info("Hello world!")
+        return "hi"
+
+
+say_hello = SayHello.bind()
+# __end__
+
+# serve.run(say_hello)
+
+# import requests
+# response = requests.get("http://localhost:8000/")
+# assert response.text == "hi"