Update .readthedocs.yaml

https://docs.readthedocs.io/en/stable/config-file/v2.html

.readthedocs.yaml

@@ -1,4 +1,29 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
 version: 2
 
+# Set the version of Python and other tools you might need
 build:
   os: ubuntu-22.04
+  tools:
+    python: "3.11"
+    # You can also specify other tool versions:
+    # nodejs: "19"
+    # rust: "1.64"
+    # golang: "1.19"
+
+# Build documentation in the docs/ directory with Sphinx
+#sphinx:
+#   configuration: docs/conf.py
+
+# If using Sphinx, optionally build your docs in additional formats such as PDF
+# formats:
+#    - pdf
+
+# Optionally declare the Python requirements required to build your docs
+#python:
+#   install:
+#   - requirements: docs/requirements.txt