fix path error for conf.py in .readthedocs.yaml

.readthedocs.yaml

@@ -17,7 +17,7 @@ build:
 
 # Build documentation in the "docs/" directory with Sphinx
 sphinx:
-  configuration: docs/conf.py
+  configuration: docs/source/conf.py
 
 # Optionally build your docs in additional formats such as PDF and ePub
 # formats:
@@ -29,4 +29,4 @@ sphinx:
 # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
 # python:
 #    install:
-#    - requirements: docs/requirements.txt
+#    - requirements: docs/requirements.txt