Add readthedocs config file

Author: miguelgrinberg

.readthedocs.yaml

@@ -0,0 +1,16 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+sphinx:
+  configuration: docs/conf.py
+
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs

setup.cfg

@@ -36,3 +36,5 @@ client =
     websocket-client >= 0.54.0
 asyncio_client =
     aiohttp >= 3.4
+docs =
+    sphinx