Add readthedocs configuration

* Configuration file is mandatory after readthedocs 10.8.0.

Signed-off-by: Alfred Wingate <parona@protonmail.com>

Author: parona-source

.readthedocs.yaml

@@ -0,0 +1,13 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+sphinx:
+  configuration: docs/conf.py
+
+python:
+  install:
+    - requirements: requirements/docs.txt

docs/release_notes.rst

@@ -4,6 +4,14 @@ Release Notes
 **pydocstyle** version numbers follow the
 `Semantic Versioning <http://semver.org/>`_ specification.
 
+
+Current development version
+---------------------------
+
+Bug Fixes
+
+* Add readthedocs configuration to fix GitHub action (#657).
+
 6.3.0 - January 17th, 2023
 --------------------------