bpo-33649: Refresh asyncio docs landing page (GH-9322)

diff --git a/Doc/library/asyncio-queue.rst b/Doc/library/asyncio-queue.rst
index a910dc7..fcad751 100644
--- a/Doc/library/asyncio-queue.rst
+++ b/Doc/library/asyncio-queue.rst
@@ -1,5 +1,6 @@
 .. currentmodule:: asyncio
 
+.. _asyncio-queues:
 
 ======
 Queues