Update .readthedocs.yaml

Author: codeperfectplus

.readthedocs.yaml

@@ -1,25 +1,24 @@
-# .readthedocs.yaml
-# Read the Docs configuration file
+# Read the Docs configuration file for Sphinx projects
 # 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
+# Set the OS, Python version and other tools you might need
 build:
-  os: ubuntu-20.04
+  os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.12"
 
-# Build documentation in the docs/ directory with Sphinx
+# Build documentation in the "docs/" directory with Sphinx
 sphinx:
-   configuration: docs/conf.py
+  configuration: docs/conf.py
 
-# If using Sphinx, optionally build your docs in additional formats such as PDF
+# Optionally build your docs in additional formats such as PDF and ePub
 formats:
-   - pdf
+  - pdf
+  - epub
 
-# Optionally declare the Python requirements required to build your docs
 python:
-   install:
-   - requirements: docs/requirements.txt
+  install:
+    - requirements: docs/requirements.txt