fixed syntax for docs paths

src/chains.py

@@ -25,7 +25,7 @@ system_prompt = (
 # Get the current file's directory
 current_dir = Path(__file__).parent
 
-vector = FAISS.load_local(r".\docs\original_vector", embeddings, allow_dangerous_deserialization=True)
+vector = FAISS.load_local(r"./docs/original_vector", embeddings, allow_dangerous_deserialization=True)
 
 # Create retriever and retrieval chain
 retriever = vector.as_retriever()