adding required .readthedocs.yaml file

docs/.readthedocs.yaml → .readthedocs.yaml

@@ -15,15 +15,23 @@ build:
   os: ubuntu-22.04
 
   tools:
-
-    python: "3.12"
+
+    python: "3.9"
+
+    # You can also specify other tool versions:
+
+    # nodejs: "20"
+
+    # rust: "1.70"
+
+    # golang: "1.20"
 
 
 # Build documentation in the "docs/" directory with Sphinx
 
 sphinx:
 
-  configuration: docs/conf.py
+  configuration: docs/source/conf.py
 
   # You can configure Sphinx to use a different builder, for instance use the dirhtml builder for simpler URLs
 
@@ -34,6 +42,15 @@ sphinx:
   # 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