Add project root to python path

Signed-off-by: Charlie Truong <chtruong@nvidia.com>

Author: chtruong814

docs/conf.py

@@ -17,6 +17,11 @@
 # For the full list of built-in configuration values, see the documentation:
 # https://www.sphinx-doc.org/en/master/usage/configuration.html
 
+import os
+import sys
+
+# Add the project root directory to the Python path
+sys.path.insert(0, os.path.abspath(".."))
 
 # -- Project information -----------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information