chore: import upstream snapshot with attribution

python/ray/serve/llm/gen_config.py

@@ -0,0 +1,16 @@
+"""Stub for the removed Serve LLM config generator."""
+import sys
+
+
+def main():
+    print(
+        "The Serve LLM config generator is no longer supported and this command "
+        "will be removed in a future Ray version. "
+        "See https://recipes.vllm.ai/ for current guidance on serving LLMs.",
+        file=sys.stderr,
+    )
+    raise SystemExit(1)
+
+
+if __name__ == "__main__":
+    main()