Update readthedocs configuration file.

Author: vrettasm

.readthedocs.yaml

@@ -1,42 +1,30 @@
 # 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 OS, Python version and other tools you might need
-
 build:
-
   os: ubuntu-22.04
-
   tools:
-
     python: "3.12"
 
 # Build documentation in the "docs/" directory with Sphinx
-
 sphinx:
-
   configuration: docs/conf.py
 
-  # You can configure Sphinx to use a different builder, for instance use the dirhtml builder for simpler URLs
-
-  # builder: "dirhtml"
-
-  # Fail on all warnings to avoid broken references
-
-  # fail_on_warning: true
-
-
 # Optionally build your docs in additional formats such as PDF and ePub
-
 formats:
-
   - pdf
 
-#   - epub
+# Optional but recommended, declare the Python requirements required
+# to build your documentation
+# See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+
+python:
+  install:
+    - requirements: requirements.txt
+
+# end of file