updated manual options

Author: bbarafat

README.md

@@ -180,6 +180,8 @@ From the repository root (with your environment activated):
 python src/download_data.py
 python src/build_bm25.py
 python src/build_semantic.py
+python src/RAG_pipeline.py
+python src/hybrid_RAG.py
 shiny run app/app.py
 ```