fix: update Sphinx build command to include the '-a' option for all files

Author: shima004

docs/README.md

@@ -4,5 +4,5 @@
 
 ```bash
 sphinx-apidoc -f -o ./docs/source ./adf_core_python
-sphinx-build -M html ./docs/source ./docs/build
+sphinx-build -M html ./docs/source ./docs/build -a
 ```